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<meta property="og:description" content="Messier 1 (M1), also known as the Crab Nebula, Taurus A, or NGC 1952, is an expanding supernova remnant and pulsar wind nebula. It is located in the northern constellation Taurus, the Bull. The Crab Nebula has an apparent magnitude of 8.4 and can be seen with binoculars in good viewing conditions. 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9.372-33.942 0z"/></svg></span></div></div> <ul class="sub-menu"> <li id="menu-item-2870" class="menu-item menu-item-type-post_type menu-item-object-post current-menu-item menu-item-2870 nv-active"><div class="wrap"><a href="https://www.messier-objects.com/messier-1-crab-nebula/" aria-current="page">Messier 1: Crab Nebula</a></div></li> <li id="menu-item-2871" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2871"><div class="wrap"><a href="https://www.messier-objects.com/messier-2/">Messier 2</a></div></li> <li id="menu-item-2872" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2872"><div class="wrap"><a href="https://www.messier-objects.com/messier-3/">Messier 3</a></div></li> <li id="menu-item-2873" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2873"><div class="wrap"><a href="https://www.messier-objects.com/messier-4/">Messier 4</a></div></li> <li id="menu-item-2874" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2874"><div class="wrap"><a href="https://www.messier-objects.com/messier-5/">Messier 5</a></div></li> <li id="menu-item-2875" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2875"><div class="wrap"><a href="https://www.messier-objects.com/messier-6-butterfly-cluster/">Messier 6: Butterfly Cluster</a></div></li> <li id="menu-item-2876" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2876"><div class="wrap"><a href="https://www.messier-objects.com/messier-7-ptolemys-cluster/">Messier 7: Ptolemy’s Cluster</a></div></li> <li id="menu-item-2877" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2877"><div class="wrap"><a href="https://www.messier-objects.com/messier-8-lagoon-nebula/">Messier 8: Lagoon Nebula</a></div></li> <li id="menu-item-2878" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2878"><div class="wrap"><a href="https://www.messier-objects.com/messier-9/">Messier 9</a></div></li> <li id="menu-item-2879" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2879"><div class="wrap"><a href="https://www.messier-objects.com/messier-10/">Messier 10</a></div></li> <li id="menu-item-2880" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2880"><div class="wrap"><a href="https://www.messier-objects.com/messier-11-wild-duck-cluster/">Messier 11: Wild Duck Cluster</a></div></li> <li id="menu-item-2881" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2881"><div class="wrap"><a href="https://www.messier-objects.com/messier-12-gumball-globular/">Messier 12: Gumball Globular</a></div></li> <li id="menu-item-2882" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2882"><div class="wrap"><a href="https://www.messier-objects.com/messier-13-hercules-globular-cluster/">Messier 13: Hercules Globular Cluster</a></div></li> <li id="menu-item-2883" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2883"><div class="wrap"><a href="https://www.messier-objects.com/messier-14/">Messier 14</a></div></li> <li id="menu-item-2884" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2884"><div class="wrap"><a href="https://www.messier-objects.com/messier-15-great-pegasus-cluster/">Messier 15: Great Pegasus Cluster</a></div></li> <li id="menu-item-2885" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2885"><div class="wrap"><a href="https://www.messier-objects.com/messier-16-eagle-nebula/">Messier 16: Eagle Nebula</a></div></li> <li id="menu-item-2886" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2886"><div class="wrap"><a href="https://www.messier-objects.com/messier-17-omega-nebula/">Messier 17: Omega Nebula</a></div></li> <li id="menu-item-2887" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2887"><div class="wrap"><a href="https://www.messier-objects.com/messier-18/">Messier 18</a></div></li> <li id="menu-item-2888" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2888"><div class="wrap"><a href="https://www.messier-objects.com/messier-19/">Messier 19</a></div></li> <li id="menu-item-2889" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2889"><div class="wrap"><a href="https://www.messier-objects.com/messier-20-trifid-nebula/">Messier 20: Trifid Nebula</a></div></li> <li id="menu-item-2890" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2890"><div class="wrap"><a href="https://www.messier-objects.com/messier-21/">Messier 21</a></div></li> <li id="menu-item-2891" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2891"><div class="wrap"><a href="https://www.messier-objects.com/messier-22-sagittarius-cluster/">Messier 22: Sagittarius Cluster</a></div></li> <li id="menu-item-2892" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2892"><div class="wrap"><a href="https://www.messier-objects.com/messier-23/">Messier 23</a></div></li> <li id="menu-item-2893" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2893"><div class="wrap"><a href="https://www.messier-objects.com/messier-24-sagittarius-star-cloud/">Messier 24: Sagittarius Star Cloud</a></div></li> <li id="menu-item-2894" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2894"><div class="wrap"><a href="https://www.messier-objects.com/messier-25/">Messier 25</a></div></li> <li id="menu-item-2895" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2895"><div class="wrap"><a href="https://www.messier-objects.com/messier-26/">Messier 26</a></div></li> <li id="menu-item-2896" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2896"><div class="wrap"><a href="https://www.messier-objects.com/messier-27-dumbbell-nebula/">Messier 27: Dumbbell Nebula</a></div></li> <li id="menu-item-2897" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2897"><div class="wrap"><a href="https://www.messier-objects.com/messier-28/">Messier 28</a></div></li> <li id="menu-item-2898" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2898"><div class="wrap"><a href="https://www.messier-objects.com/messier-29/">Messier 29</a></div></li> <li id="menu-item-2899" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2899"><div class="wrap"><a href="https://www.messier-objects.com/messier-30/">Messier 30</a></div></li> <li id="menu-item-2900" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2900"><div class="wrap"><a href="https://www.messier-objects.com/messier-31-andromeda-galaxy/">Messier 31: Andromeda Galaxy</a></div></li> <li id="menu-item-2901" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2901"><div class="wrap"><a href="https://www.messier-objects.com/messier-32-le-gentil/">Messier 32: Le Gentil</a></div></li> <li id="menu-item-2902" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2902"><div class="wrap"><a href="https://www.messier-objects.com/messier-33-triangulum-galaxy/">Messier 33: Triangulum Galaxy</a></div></li> <li id="menu-item-2903" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2903"><div class="wrap"><a href="https://www.messier-objects.com/messier-34/">Messier 34</a></div></li> <li id="menu-item-2904" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2904"><div class="wrap"><a href="https://www.messier-objects.com/messier-35/">Messier 35</a></div></li> <li id="menu-item-2905" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2905"><div class="wrap"><a href="https://www.messier-objects.com/messier-36-pinwheel-cluster/">Messier 36: Pinwheel Cluster</a></div></li> <li id="menu-item-2906" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2906"><div class="wrap"><a href="https://www.messier-objects.com/messier-37/">Messier 37</a></div></li> <li id="menu-item-2907" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2907"><div class="wrap"><a href="https://www.messier-objects.com/messier-38-starfish-cluster/">Messier 38: Starfish Cluster</a></div></li> <li id="menu-item-2908" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2908"><div class="wrap"><a href="https://www.messier-objects.com/messier-39/">Messier 39</a></div></li> <li id="menu-item-2909" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2909"><div class="wrap"><a href="https://www.messier-objects.com/messier-40-winnecke-4/">Messier 40: Winnecke 4</a></div></li> <li id="menu-item-2910" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2910"><div class="wrap"><a href="https://www.messier-objects.com/messier-41/">Messier 41</a></div></li> <li id="menu-item-2911" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2911"><div class="wrap"><a href="https://www.messier-objects.com/messier-42-orion-nebula/">Messier 42: Orion Nebula</a></div></li> <li id="menu-item-2912" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2912"><div class="wrap"><a href="https://www.messier-objects.com/messier-43-de-mairans-nebula/">Messier 43: De Mairan’s Nebula</a></div></li> <li id="menu-item-2913" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2913"><div class="wrap"><a href="https://www.messier-objects.com/messier-44-beehive-cluster/">Messier 44: Beehive Cluster</a></div></li> <li id="menu-item-2914" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2914"><div class="wrap"><a href="https://www.messier-objects.com/messier-45-pleiades/">Messier 45: Pleiades</a></div></li> <li id="menu-item-2915" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2915"><div class="wrap"><a href="https://www.messier-objects.com/messier-46/">Messier 46</a></div></li> <li id="menu-item-2916" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2916"><div class="wrap"><a href="https://www.messier-objects.com/messier-47/">Messier 47</a></div></li> <li id="menu-item-2917" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2917"><div class="wrap"><a href="https://www.messier-objects.com/messier-48/">Messier 48</a></div></li> <li id="menu-item-2918" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2918"><div class="wrap"><a href="https://www.messier-objects.com/messier-49/">Messier 49</a></div></li> <li id="menu-item-2919" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2919"><div class="wrap"><a href="https://www.messier-objects.com/messier-50-heart-shaped-cluster/">Messier 50: Heart-Shaped Cluster</a></div></li> <li id="menu-item-2920" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2920"><div class="wrap"><a href="https://www.messier-objects.com/messier-51-whirlpool-galaxy/">Messier 51: Whirlpool Galaxy</a></div></li> <li id="menu-item-2921" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2921"><div class="wrap"><a href="https://www.messier-objects.com/messier-52/">Messier 52</a></div></li> <li id="menu-item-2922" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2922"><div class="wrap"><a href="https://www.messier-objects.com/messier-53/">Messier 53</a></div></li> <li id="menu-item-2923" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2923"><div class="wrap"><a href="https://www.messier-objects.com/messier-54/">Messier 54</a></div></li> <li id="menu-item-2924" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2924"><div class="wrap"><a href="https://www.messier-objects.com/messier-55-summer-rose-star/">Messier 55: Summer Rose Star</a></div></li> <li id="menu-item-2925" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2925"><div class="wrap"><a href="https://www.messier-objects.com/messier-56/">Messier 56</a></div></li> <li id="menu-item-2926" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2926"><div class="wrap"><a href="https://www.messier-objects.com/messier-57-ring-nebula/">Messier 57: Ring Nebula</a></div></li> <li id="menu-item-2927" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2927"><div class="wrap"><a href="https://www.messier-objects.com/messier-58/">Messier 58</a></div></li> <li id="menu-item-2928" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2928"><div class="wrap"><a href="https://www.messier-objects.com/messier-59/">Messier 59</a></div></li> <li id="menu-item-2929" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2929"><div class="wrap"><a href="https://www.messier-objects.com/messier-60/">Messier 60</a></div></li> <li id="menu-item-2930" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2930"><div class="wrap"><a href="https://www.messier-objects.com/messier-61/">Messier 61</a></div></li> <li id="menu-item-2931" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2931"><div class="wrap"><a href="https://www.messier-objects.com/messier-62/">Messier 62</a></div></li> <li id="menu-item-2932" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2932"><div class="wrap"><a href="https://www.messier-objects.com/messier-63-sunflower-galaxy/">Messier 63: Sunflower Galaxy</a></div></li> <li id="menu-item-2933" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2933"><div class="wrap"><a href="https://www.messier-objects.com/messier-64-black-eye-galaxy/">Messier 64: Black Eye Galaxy</a></div></li> <li id="menu-item-2934" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2934"><div class="wrap"><a href="https://www.messier-objects.com/messier-65/">Messier 65</a></div></li> <li id="menu-item-2935" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2935"><div class="wrap"><a href="https://www.messier-objects.com/messier-66/">Messier 66</a></div></li> <li id="menu-item-2936" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2936"><div class="wrap"><a href="https://www.messier-objects.com/messier-67-king-cobra-cluster/">Messier 67: King Cobra Cluster</a></div></li> <li id="menu-item-2937" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2937"><div class="wrap"><a href="https://www.messier-objects.com/messier-68/">Messier 68</a></div></li> <li id="menu-item-2938" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2938"><div class="wrap"><a href="https://www.messier-objects.com/messier-69/">Messier 69</a></div></li> <li id="menu-item-2939" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2939"><div class="wrap"><a href="https://www.messier-objects.com/messier-70/">Messier 70</a></div></li> <li id="menu-item-2940" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2940"><div class="wrap"><a href="https://www.messier-objects.com/messier-71/">Messier 71</a></div></li> <li id="menu-item-2941" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2941"><div class="wrap"><a href="https://www.messier-objects.com/messier-72/">Messier 72</a></div></li> <li id="menu-item-2942" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2942"><div class="wrap"><a href="https://www.messier-objects.com/messier-73/">Messier 73</a></div></li> <li id="menu-item-2943" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2943"><div class="wrap"><a href="https://www.messier-objects.com/messier-74-phantom-galaxy/">Messier 74: Phantom Galaxy</a></div></li> <li id="menu-item-2944" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2944"><div class="wrap"><a href="https://www.messier-objects.com/messier-75/">Messier 75</a></div></li> <li id="menu-item-2945" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2945"><div class="wrap"><a href="https://www.messier-objects.com/messier-76-little-dumbbell-nebula/">Messier 76: Little Dumbbell Nebula</a></div></li> <li id="menu-item-2946" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2946"><div class="wrap"><a href="https://www.messier-objects.com/messier-77-cetus-a/">Messier 77: Cetus A</a></div></li> <li id="menu-item-2947" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2947"><div class="wrap"><a href="https://www.messier-objects.com/messier-78/">Messier 78</a></div></li> <li id="menu-item-2948" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2948"><div class="wrap"><a href="https://www.messier-objects.com/messier-79/">Messier 79</a></div></li> <li id="menu-item-2949" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2949"><div class="wrap"><a href="https://www.messier-objects.com/messier-80/">Messier 80</a></div></li> <li id="menu-item-2950" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2950"><div class="wrap"><a href="https://www.messier-objects.com/messier-81-bodes-galaxy/">Messier 81: Bode’s Galaxy</a></div></li> <li id="menu-item-2951" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2951"><div class="wrap"><a href="https://www.messier-objects.com/messier-82-cigar-galaxy/">Messier 82: Cigar Galaxy</a></div></li> <li id="menu-item-2952" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2952"><div class="wrap"><a href="https://www.messier-objects.com/messier-83-southern-pinwheel-galaxy/">Messier 83: Southern Pinwheel Galaxy</a></div></li> <li id="menu-item-2953" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2953"><div class="wrap"><a href="https://www.messier-objects.com/messier-84/">Messier 84</a></div></li> <li id="menu-item-2954" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2954"><div class="wrap"><a href="https://www.messier-objects.com/messier-85/">Messier 85</a></div></li> <li id="menu-item-2955" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2955"><div class="wrap"><a href="https://www.messier-objects.com/messier-86/">Messier 86</a></div></li> <li id="menu-item-2956" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2956"><div class="wrap"><a href="https://www.messier-objects.com/messier-87-virgo-a/">Messier 87: Virgo A</a></div></li> <li id="menu-item-2957" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2957"><div class="wrap"><a href="https://www.messier-objects.com/messier-88/">Messier 88</a></div></li> <li id="menu-item-2958" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2958"><div class="wrap"><a href="https://www.messier-objects.com/messier-89/">Messier 89</a></div></li> <li id="menu-item-2959" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2959"><div class="wrap"><a href="https://www.messier-objects.com/messier-90/">Messier 90</a></div></li> <li id="menu-item-2960" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2960"><div class="wrap"><a href="https://www.messier-objects.com/messier-91/">Messier 91</a></div></li> <li id="menu-item-2961" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2961"><div class="wrap"><a href="https://www.messier-objects.com/messier-92/">Messier 92</a></div></li> <li id="menu-item-2962" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2962"><div class="wrap"><a href="https://www.messier-objects.com/messier-93/">Messier 93</a></div></li> <li id="menu-item-2963" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2963"><div class="wrap"><a href="https://www.messier-objects.com/messier-94-cats-eye-galaxy/">Messier 94: Cat’s Eye Galaxy</a></div></li> <li id="menu-item-2964" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2964"><div class="wrap"><a href="https://www.messier-objects.com/messier-95/">Messier 95</a></div></li> <li id="menu-item-2965" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2965"><div class="wrap"><a href="https://www.messier-objects.com/messier-96/">Messier 96</a></div></li> <li id="menu-item-2966" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2966"><div class="wrap"><a href="https://www.messier-objects.com/messier-97-owl-nebula/">Messier 97: Owl Nebula</a></div></li> <li id="menu-item-2967" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2967"><div class="wrap"><a href="https://www.messier-objects.com/messier-98/">Messier 98</a></div></li> <li id="menu-item-2968" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2968"><div class="wrap"><a href="https://www.messier-objects.com/messier-99-coma-pinwheel/">Messier 99: Coma Pinwheel</a></div></li> <li id="menu-item-2969" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2969"><div class="wrap"><a href="https://www.messier-objects.com/messier-100/">Messier 100</a></div></li> <li id="menu-item-2970" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2970"><div class="wrap"><a href="https://www.messier-objects.com/messier-101-pinwheel-galaxy/">Messier 101: Pinwheel Galaxy</a></div></li> <li id="menu-item-2971" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2971"><div class="wrap"><a href="https://www.messier-objects.com/messier-102-spindle-galaxy/">Messier 102: Spindle Galaxy</a></div></li> <li id="menu-item-2972" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2972"><div class="wrap"><a href="https://www.messier-objects.com/messier-103/">Messier 103</a></div></li> <li id="menu-item-2973" class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2973"><div class="wrap"><a href="https://www.messier-objects.com/messier-104-sombrero-galaxy/">Messier 104: Sombrero Galaxy</a></div></li> <li 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24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"/></svg></span></div></div> <ul class="sub-menu"> <li id="menu-item-3637" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3637"><div class="wrap"><a href="https://www.messier-objects.com/messier-objects-by-constellation/messier-objects-in-canis-major/">Messier Objects in Canis Major</a></div></li> <li id="menu-item-3636" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3636"><div class="wrap"><a href="https://www.messier-objects.com/messier-objects-by-constellation/messier-objects-in-cassiopeia/">Messier Objects in Cassiopeia</a></div></li> <li id="menu-item-3634" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3634"><div class="wrap"><a 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style="margin-left:5px;" aria-label="Toggle Messier Object List"><span class="caret"><svg fill="currentColor" aria-label="Dropdown" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z"/></svg></span></button></div> <ul class="sub-menu"> <li class="menu-item menu-item-type-post_type menu-item-object-post current-menu-item menu-item-2870 nv-active"><div class="wrap"><a href="https://www.messier-objects.com/messier-1-crab-nebula/" aria-current="page">Messier 1: Crab Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2871"><div class="wrap"><a href="https://www.messier-objects.com/messier-2/">Messier 2</a></div></li> <li class="menu-item 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menu-item-type-post_type menu-item-object-post menu-item-2882"><div class="wrap"><a href="https://www.messier-objects.com/messier-13-hercules-globular-cluster/">Messier 13: Hercules Globular Cluster</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2883"><div class="wrap"><a href="https://www.messier-objects.com/messier-14/">Messier 14</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2884"><div class="wrap"><a href="https://www.messier-objects.com/messier-15-great-pegasus-cluster/">Messier 15: Great Pegasus Cluster</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2885"><div class="wrap"><a href="https://www.messier-objects.com/messier-16-eagle-nebula/">Messier 16: Eagle Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2886"><div class="wrap"><a href="https://www.messier-objects.com/messier-17-omega-nebula/">Messier 17: Omega Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2887"><div class="wrap"><a href="https://www.messier-objects.com/messier-18/">Messier 18</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2888"><div class="wrap"><a href="https://www.messier-objects.com/messier-19/">Messier 19</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2889"><div class="wrap"><a href="https://www.messier-objects.com/messier-20-trifid-nebula/">Messier 20: Trifid Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2890"><div class="wrap"><a href="https://www.messier-objects.com/messier-21/">Messier 21</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2891"><div class="wrap"><a href="https://www.messier-objects.com/messier-22-sagittarius-cluster/">Messier 22: Sagittarius Cluster</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2892"><div class="wrap"><a href="https://www.messier-objects.com/messier-23/">Messier 23</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2893"><div class="wrap"><a href="https://www.messier-objects.com/messier-24-sagittarius-star-cloud/">Messier 24: Sagittarius Star Cloud</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2894"><div class="wrap"><a href="https://www.messier-objects.com/messier-25/">Messier 25</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2895"><div class="wrap"><a href="https://www.messier-objects.com/messier-26/">Messier 26</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2896"><div class="wrap"><a href="https://www.messier-objects.com/messier-27-dumbbell-nebula/">Messier 27: Dumbbell Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2897"><div class="wrap"><a href="https://www.messier-objects.com/messier-28/">Messier 28</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2898"><div class="wrap"><a href="https://www.messier-objects.com/messier-29/">Messier 29</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2899"><div class="wrap"><a href="https://www.messier-objects.com/messier-30/">Messier 30</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2900"><div class="wrap"><a href="https://www.messier-objects.com/messier-31-andromeda-galaxy/">Messier 31: Andromeda Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2901"><div class="wrap"><a href="https://www.messier-objects.com/messier-32-le-gentil/">Messier 32: Le Gentil</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2902"><div class="wrap"><a href="https://www.messier-objects.com/messier-33-triangulum-galaxy/">Messier 33: Triangulum Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2903"><div class="wrap"><a href="https://www.messier-objects.com/messier-34/">Messier 34</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2904"><div class="wrap"><a href="https://www.messier-objects.com/messier-35/">Messier 35</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2905"><div class="wrap"><a href="https://www.messier-objects.com/messier-36-pinwheel-cluster/">Messier 36: Pinwheel Cluster</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2906"><div class="wrap"><a href="https://www.messier-objects.com/messier-37/">Messier 37</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2907"><div class="wrap"><a href="https://www.messier-objects.com/messier-38-starfish-cluster/">Messier 38: Starfish Cluster</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2908"><div class="wrap"><a href="https://www.messier-objects.com/messier-39/">Messier 39</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2909"><div class="wrap"><a href="https://www.messier-objects.com/messier-40-winnecke-4/">Messier 40: Winnecke 4</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2910"><div class="wrap"><a href="https://www.messier-objects.com/messier-41/">Messier 41</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2911"><div class="wrap"><a href="https://www.messier-objects.com/messier-42-orion-nebula/">Messier 42: Orion Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2912"><div class="wrap"><a href="https://www.messier-objects.com/messier-43-de-mairans-nebula/">Messier 43: De Mairan’s Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2913"><div class="wrap"><a href="https://www.messier-objects.com/messier-44-beehive-cluster/">Messier 44: Beehive Cluster</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2914"><div class="wrap"><a href="https://www.messier-objects.com/messier-45-pleiades/">Messier 45: Pleiades</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2915"><div class="wrap"><a href="https://www.messier-objects.com/messier-46/">Messier 46</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2916"><div class="wrap"><a href="https://www.messier-objects.com/messier-47/">Messier 47</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2917"><div class="wrap"><a href="https://www.messier-objects.com/messier-48/">Messier 48</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2918"><div class="wrap"><a href="https://www.messier-objects.com/messier-49/">Messier 49</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2919"><div class="wrap"><a href="https://www.messier-objects.com/messier-50-heart-shaped-cluster/">Messier 50: Heart-Shaped Cluster</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2920"><div class="wrap"><a href="https://www.messier-objects.com/messier-51-whirlpool-galaxy/">Messier 51: Whirlpool Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2921"><div class="wrap"><a href="https://www.messier-objects.com/messier-52/">Messier 52</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2922"><div class="wrap"><a href="https://www.messier-objects.com/messier-53/">Messier 53</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2923"><div class="wrap"><a href="https://www.messier-objects.com/messier-54/">Messier 54</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2924"><div class="wrap"><a href="https://www.messier-objects.com/messier-55-summer-rose-star/">Messier 55: Summer Rose Star</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2925"><div class="wrap"><a href="https://www.messier-objects.com/messier-56/">Messier 56</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2926"><div class="wrap"><a href="https://www.messier-objects.com/messier-57-ring-nebula/">Messier 57: Ring Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2927"><div class="wrap"><a href="https://www.messier-objects.com/messier-58/">Messier 58</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2928"><div class="wrap"><a href="https://www.messier-objects.com/messier-59/">Messier 59</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2929"><div class="wrap"><a href="https://www.messier-objects.com/messier-60/">Messier 60</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2930"><div class="wrap"><a href="https://www.messier-objects.com/messier-61/">Messier 61</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2931"><div class="wrap"><a href="https://www.messier-objects.com/messier-62/">Messier 62</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2932"><div class="wrap"><a href="https://www.messier-objects.com/messier-63-sunflower-galaxy/">Messier 63: Sunflower Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2933"><div class="wrap"><a href="https://www.messier-objects.com/messier-64-black-eye-galaxy/">Messier 64: Black Eye Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2934"><div class="wrap"><a href="https://www.messier-objects.com/messier-65/">Messier 65</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2935"><div class="wrap"><a href="https://www.messier-objects.com/messier-66/">Messier 66</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2936"><div class="wrap"><a href="https://www.messier-objects.com/messier-67-king-cobra-cluster/">Messier 67: King Cobra Cluster</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2937"><div class="wrap"><a href="https://www.messier-objects.com/messier-68/">Messier 68</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2938"><div class="wrap"><a href="https://www.messier-objects.com/messier-69/">Messier 69</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2939"><div class="wrap"><a href="https://www.messier-objects.com/messier-70/">Messier 70</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2940"><div class="wrap"><a href="https://www.messier-objects.com/messier-71/">Messier 71</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2941"><div class="wrap"><a href="https://www.messier-objects.com/messier-72/">Messier 72</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2942"><div class="wrap"><a href="https://www.messier-objects.com/messier-73/">Messier 73</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2943"><div class="wrap"><a href="https://www.messier-objects.com/messier-74-phantom-galaxy/">Messier 74: Phantom Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2944"><div class="wrap"><a href="https://www.messier-objects.com/messier-75/">Messier 75</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2945"><div class="wrap"><a href="https://www.messier-objects.com/messier-76-little-dumbbell-nebula/">Messier 76: Little Dumbbell Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2946"><div class="wrap"><a href="https://www.messier-objects.com/messier-77-cetus-a/">Messier 77: Cetus A</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2947"><div class="wrap"><a href="https://www.messier-objects.com/messier-78/">Messier 78</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2948"><div class="wrap"><a href="https://www.messier-objects.com/messier-79/">Messier 79</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2949"><div class="wrap"><a href="https://www.messier-objects.com/messier-80/">Messier 80</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2950"><div class="wrap"><a href="https://www.messier-objects.com/messier-81-bodes-galaxy/">Messier 81: Bode’s Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2951"><div class="wrap"><a href="https://www.messier-objects.com/messier-82-cigar-galaxy/">Messier 82: Cigar Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2952"><div class="wrap"><a href="https://www.messier-objects.com/messier-83-southern-pinwheel-galaxy/">Messier 83: Southern Pinwheel Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2953"><div class="wrap"><a href="https://www.messier-objects.com/messier-84/">Messier 84</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2954"><div class="wrap"><a href="https://www.messier-objects.com/messier-85/">Messier 85</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2955"><div class="wrap"><a href="https://www.messier-objects.com/messier-86/">Messier 86</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2956"><div class="wrap"><a href="https://www.messier-objects.com/messier-87-virgo-a/">Messier 87: Virgo A</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2957"><div class="wrap"><a href="https://www.messier-objects.com/messier-88/">Messier 88</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2958"><div class="wrap"><a href="https://www.messier-objects.com/messier-89/">Messier 89</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2959"><div class="wrap"><a href="https://www.messier-objects.com/messier-90/">Messier 90</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2960"><div class="wrap"><a href="https://www.messier-objects.com/messier-91/">Messier 91</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2961"><div class="wrap"><a href="https://www.messier-objects.com/messier-92/">Messier 92</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2962"><div class="wrap"><a href="https://www.messier-objects.com/messier-93/">Messier 93</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2963"><div class="wrap"><a href="https://www.messier-objects.com/messier-94-cats-eye-galaxy/">Messier 94: Cat’s Eye Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2964"><div class="wrap"><a href="https://www.messier-objects.com/messier-95/">Messier 95</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2965"><div class="wrap"><a href="https://www.messier-objects.com/messier-96/">Messier 96</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2966"><div class="wrap"><a href="https://www.messier-objects.com/messier-97-owl-nebula/">Messier 97: Owl Nebula</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2967"><div class="wrap"><a href="https://www.messier-objects.com/messier-98/">Messier 98</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2968"><div class="wrap"><a href="https://www.messier-objects.com/messier-99-coma-pinwheel/">Messier 99: Coma Pinwheel</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2969"><div class="wrap"><a href="https://www.messier-objects.com/messier-100/">Messier 100</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2970"><div class="wrap"><a href="https://www.messier-objects.com/messier-101-pinwheel-galaxy/">Messier 101: Pinwheel Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2971"><div class="wrap"><a href="https://www.messier-objects.com/messier-102-spindle-galaxy/">Messier 102: Spindle Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2972"><div class="wrap"><a href="https://www.messier-objects.com/messier-103/">Messier 103</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2973"><div class="wrap"><a href="https://www.messier-objects.com/messier-104-sombrero-galaxy/">Messier 104: Sombrero Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2974"><div class="wrap"><a href="https://www.messier-objects.com/messier-105/">Messier 105</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2975"><div class="wrap"><a href="https://www.messier-objects.com/messier-106/">Messier 106</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2976"><div class="wrap"><a href="https://www.messier-objects.com/messier-107/">Messier 107</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2977"><div class="wrap"><a href="https://www.messier-objects.com/messier-108-surfboard-galaxy/">Messier 108: Surfboard Galaxy</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2978"><div class="wrap"><a href="https://www.messier-objects.com/messier-109/">Messier 109</a></div></li> <li class="menu-item menu-item-type-post_type menu-item-object-post menu-item-2979"><div class="wrap"><a href="https://www.messier-objects.com/messier-110-edward-young-star/">Messier 110: Edward Young Star</a></div></li> </ul> </li> <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3054"><div class="wrap"><a href="https://www.messier-objects.com/messier-objects-by-constellation/"><span class="menu-item-title-wrap dd-title">Messier Objects by Constellation</span></a><button tabindex="0" type="button" class="caret-wrap navbar-toggle 114" style="margin-left:5px;" aria-label="Toggle Messier Objects by Constellation"><span class="caret"><svg 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media="all">.messier_objects_header{display:inline-block;width:320px;height:50px}@media (max-width:400px){.messier_objects_header{display:none}}@media (min-width:500px){.messier_objects_header{width:320px;height:100px}}@media (min-width:800px){.messier_objects_header{width:728px;height:90px}}</style> <ins class="adsbygoogle messier_objects_header" data-ad-client="ca-pub-0663561204264333" data-ad-slot="5272327740"></ins> <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <script>(adsbygoogle = window.adsbygoogle || []).push({});</script> </div> <main id="content" class="neve-main"> <div class="container single-post-container"> <div class="row"> <article id="post-7" class="nv-single-post-wrap col post-7 post type-post status-publish format-standard has-post-thumbnail hentry category-supernova-remnant tag-3c-144 tag-aldebaran tag-alexis-clairaut tag-carl-otto-lampland tag-cm-tauri tag-crab-nebula tag-crab-pulsar tag-edwin-hubble tag-franco-pacini tag-halleys-comet tag-isaac-roberts tag-john-bevis tag-knut-lundmark tag-lbn-833 tag-lord-rosse tag-m1 tag-messier-1 tag-neutron-star tag-ngc-1952 tag-nicholas-mayall tag-np0532 tag-orions-belt tag-psr-053121 tag-pulsar-wind-nebula tag-rudolf-minkowski tag-sharpless-244 tag-sn-1054 tag-taurus-a tag-taurus-constellation tag-taurus-x-1 tag-zeta-tauri"> <div class="entry-header" ><div class="nv-title-meta-wrap"><small class="nv--yoast-breadcrumb neve-breadcrumbs-wrapper"><span><span><a href="https://www.messier-objects.com/">Home</a></span> » <span class="breadcrumb_last" aria-current="page">Messier 1: Crab Nebula</span></span></small><h1 class="title entry-title">Messier 1: Crab Nebula</h1><ul class="nv-meta-list"><li class="meta author vcard no-mobile"><span class="author-name fn">by <a href="https://www.messier-objects.com/author/admin/" title="Posts by admin" rel="author">admin</a></span></li><li class="meta date posted-on"><time class="entry-date published" datetime="2015-01-07T19:13:48+00:00" content="2015-01-07">January 7, 2015</time><time class="updated" datetime="2024-01-01T00:40:03+00:00">January 1, 2024</time></li></ul></div></div><div class="nv-content-wrap entry-content"><p>Messier 1 (M1), also known as the Crab Nebula, Taurus A, or NGC 1952, is an expanding supernova remnant and pulsar wind nebula. It is located in the northern constellation <a href="https://www.constellation-guide.com/constellation-list/taurus-constellation/">Taurus</a>, the Bull. The Crab Nebula has an apparent magnitude of 8.4 and can be seen with binoculars in good viewing conditions.</p> <p>Messier 1 is the only supernova remnant listed in Messier’s catalogue and the most famous object of its kind in the night sky. The nebula has a total luminosity 75,000 times that of the Sun and lies at a distance of 6,500 light years from Earth.<br /> <span id="more-7"></span><br /> The Crab Nebula is the result of a supernova explosion, SN 1054, that was observed by Chinese astronomers in 1054 AD. It was the first deep sky object to be associated with a historical supernova explosion.</p> <p>Messier 1 is about 11 light years (3.4 parsecs) in diameter and keeps expanding at a rate of about 1,500 kilometres per second. The supernova remnant contains the Crab Pulsar, a rapidly rotating neutron star that spins at a rate of 30.2 times per second. The pulsar, also catalogued as PSR 0531+21, is the youngest one observed. It emits radiation in optical, radio, ultraviolet, X-ray and gamma ray wavelengths.</p> <figure id="attachment_3711" aria-describedby="caption-attachment-3711" style="width: 600px" class="wp-caption aligncenter"><img fetchpriority="high" decoding="async" class="wp-image-3711 size-full" src="https://www.messier-objects.com/wp-content/uploads/2022/02/Messier-1-Crab-Nebula-1.webp" alt="messier 1,crab nebula,m1 supernova remnant" width="600" height="598" srcset="https://www.messier-objects.com/wp-content/uploads/2022/02/Messier-1-Crab-Nebula-1.webp 600w, https://www.messier-objects.com/wp-content/uploads/2022/02/Messier-1-Crab-Nebula-1-300x300.webp 300w, https://www.messier-objects.com/wp-content/uploads/2022/02/Messier-1-Crab-Nebula-1-150x150.webp 150w" sizes="(max-width: 600px) 100vw, 600px" /><figcaption id="caption-attachment-3711" class="wp-caption-text">Messier 1 – The Crab Nebula. This is a mosaic image, one of the largest ever taken by NASA’s Hubble Space Telescope of the Crab Nebula, a six-light-year-wide expanding remnant of a star’s supernova event. Japanese and Chinese astronomers recorded this violent event nearly 1,000 years ago in 1054, as did, almost certainly, Native Americans. The orange filaments are the tattered remains of the star and consist mostly of hydrogen. The rapidly spinning neutron star embedded in the center of the nebula is the dynamo powering the nebula’s eerie interior bluish glow. The blue light comes from electrons whirling at nearly the speed of light around magnetic field lines from the neutron star. The neutron star, like a lighthouse, ejects twin beams of radiation that appear to pulse 30 times a second due to the neutron star’s rotation. A neutron star is the crushed ultra-dense core of the star. Image: NASA, ESA, J. Hester and A. Loll (Arizona State University)</figcaption></figure> <p>As a radio source, M1 is catalogued as Taurus A and 3C 144. It was identified as a strong source of radio emission in 1949. X-ray emissions from the nebula were detected in April 1963 and the X-ray source was named Taurus X-1. M1 is the strongest persistent source of X-rays and gamma rays in the sky, with energies measuring above 30 kiloelectron volts (keV).</p> <p>The Crab Nebula is part of the Perseus Arm of the Milky Way galaxy. Only three other supernovae have been seen in our galaxy since SN 1054.</p> <figure id="attachment_48" aria-describedby="caption-attachment-48" style="width: 267px" class="wp-caption alignright"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-Hubble.jpg"><img decoding="async" class="size-medium wp-image-48" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-Hubble-267x300.jpg" alt="messier 1,m1 filaments,m1 hubble" width="267" height="300" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-Hubble-267x300.jpg 267w, https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-Hubble.jpg 712w" sizes="(max-width: 267px) 100vw, 267px" /></a><figcaption id="caption-attachment-48" class="wp-caption-text">Hubble Space Telescope image of filaments in the Crab Nebula (M1, NGC 1952). Credit: NASA and The Hubble Heritage Team (STScI/AURA)</figcaption></figure> <p>The explosion of the progenitor star produced a large shell of filaments that has continued to expand ever since and will eventually disperse and disappear into the surrounding space.</p> <p>The nebula’s filaments contain ionised gas which is responsible for the nebula’s glow. The electrons found in the gas move at speeds close to the speed of light, emitting synchotron radiation, which makes the nebula visible in radio wavelengths.</p> <p>The filaments of the Crab Nebula are what is left of the progenitor star’s atmosphere and they mainly consist of ionised hydrogen and helium, along with other elements including oxygen, carbon, iron, nitrogen, sulfur and neon. The temperatures of the filaments are typically in the range from 11,000 to 18,000 K.</p> <p>The Crab Nebula was discovered by the English astronomer John Bevis in 1731. Bevis added the object to his sky atlas <em>Uranographia Britannica</em>, which was completed in 1750 but never published.</p> <p>Charles Messier discovered the nebula independently on August 28, 1758 while looking for a bright comet and entered it as the first object in his catalogue on September 12.</p> <p>His entry read, “Nebula above the southern horn of Taurus, it doesn’t contain any star; it is a whitish light, elongated in the shape of a flame of a candle, discovered while observing the comet of 1758.”</p> <p>Messier at first believed that the Crab Nebula was Halley’s Comet, which was predicted to return that year, but then noticed that the object was not moving.</p> <figure id="attachment_58" aria-describedby="caption-attachment-58" style="width: 205px" class="wp-caption alignright"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-Lord-Rosse.jpg"><img decoding="async" class="size-medium wp-image-58" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-Lord-Rosse-205x300.jpg" alt="crab nebula sketch,messier 1" width="205" height="300" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-Lord-Rosse-205x300.jpg 205w, https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-Lord-Rosse.jpg 369w" sizes="(max-width: 205px) 100vw, 205px" /></a><figcaption id="caption-attachment-58" class="wp-caption-text">Drawing of the Crab Nebula. Originally published in <em>Observations on Some of the Nebulae, Philosophical Transactions of the Royal Society of London</em> vol. 134 (1844). Image: William Parsons, 3rd Earl of Rosse</figcaption></figure> <p>The discovery gave him the idea to compile a catalogue of objects that observers could easily confuse with comets because of their cloudy appearance.</p> <p>It was the French astronomer and mathematician Alexis Clairaut who had predicted the return of Halley’s Comet in late 1758, saying it would likely appear in <a href="https://www.constellation-guide.com/constellation-list/taurus-constellation/">Taurus constellation</a>, which was why Messier was searching for it in this area of the sky.</p> <p>In the first publication of his catalogue, Messier credited himself for the discovery. John Bevis was eventually acknowledged years later, after he had sent a letter to Messier in June 1771.</p> <p>M1 was named the Crab Nebula after William Parsons, the 3rd Earl of Rosse, made a drawing of the object in 1844.</p> <p>Lord Rosse observed the nebula at Birr Castle in Ireland using a 36-inch telescope. He called it the Crab Nebula because it bore a resemblance to a crab in his drawing.</p> <p>Rosse could not confirm the resemblance after observing the object in a 72-inch telescope in 1848, but the name stuck to this day nevertheless.</p> <p>The first photograph of M1 was taken by Dr. Isaac Roberts in December 1892 using a 20-inch telescope.</p> <h3 style="text-align: center;">LOCATION</h3> <p>Messier 1 lies near the southern horn of the celestial Bull. It is located 1 degree northwest of the bright star <a href="https://www.star-facts.com/tianguan-zeta-tauri/">Zeta Tauri</a>. The star can easily be found by first locating <a href="https://www.star-facts.com/aldebaran/">Aldebaran</a>, the brightest star in <a href="https://www.constellation-guide.com/constellation-list/taurus-constellation/">Taurus</a>, and then following the line of the V-shape that <a href="https://www.star-facts.com/aldebaran/">Aldebaran</a> is part of, to Zeta Tauri. Aldebaran can be located by following the line formed by the three stars of <a href="https://www.constellation-guide.com/orions-belt/">Orion’s Belt</a>. It is the first bright star that appears on that imaginary line.</p> <figure id="attachment_3886" aria-describedby="caption-attachment-3886" style="width: 602px" class="wp-caption aligncenter"><img loading="lazy" decoding="async" class="size-full wp-image-3886" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-location.webp" alt="m1 nebula loation,crab nebula location,how to find crab nebula,where is m1" width="602" height="567" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-location.webp 602w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-location-300x283.webp 300w" sizes="auto, (max-width: 602px) 100vw, 602px" /><figcaption id="caption-attachment-3886" class="wp-caption-text">Location of the Crab Nebula (Messier 1) in Taurus constellation. Image: IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg)</figcaption></figure> <p><a href="https://www.star-facts.com/tianguan-zeta-tauri/">Zeta Tauri</a> forms a square with three much fainter stars. The Crab Nebula is located in the vicinity of the square and it appears as a faint patch of light in binoculars. The Crab Pulsar is 16th magnitude and can only be seen in larger telescopes (20 inches or so) in very good viewing conditions, with clear skies and no light pollution.</p> <p>The Crab Nebula’s filaments and structure may become apparent in 16-inch telescopes under good conditions, while smaller telescopes, starting with 4-inch aperture, only reveal some detail in the shape of the remnant. In smaller instruments, M1 looks like a comet without a tail.</p> <p>The best time to observe Messier 1 in the northern hemisphere is in late autumn and early winter, during the months of November, December, and January.</p> <h3 style="text-align: center;">PULSAR</h3> <p>The Crab Pulsar is about 28 to 30 kilometres across and, as a result of its high spin rate, it emits pulses of optical, X-ray and radio radiation.</p> <figure id="attachment_44" aria-describedby="caption-attachment-44" style="width: 300px" class="wp-caption alignright"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Pulsar.gif"><img loading="lazy" decoding="async" class="wp-image-44" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Pulsar.gif" alt="m1,messier 1,neutron star" width="300" height="204" /></a><figcaption id="caption-attachment-44" class="wp-caption-text">What if you could “see” in gamma-rays? If you could, these two spinning neutron stars or pulsars would be among the brightest objects in the sky. This computer processed image shows the Crab Nebula pulsar (below and right of center) and the Geminga pulsar (above and left of center) in the “light” of gamma-rays. Gamma-ray photons are more than 10,000 times more energetic than visible light photons and are blocked from the Earths’s surface by the atmosphere. This image was produced by the high energy gamma-ray telescope “EGRET” on board NASA’s orbiting Compton Observatory satellite. Image: NASA, Compton Gamma Ray Observatory.</figcaption></figure> <p>It was one of the first pulsars to be discovered and it provided evidence for the theory that pulsars were formed by supernova events.</p> <p>The progenitor star of Messier 1 was identified in 1942 by the German-American astronomer Rudolf Minkowski, who discovered that it had a very unusual optical spectrum.</p> <p>In 1967, the region around the star was identified as one of the brightest gamma-ray sources in the night sky.</p> <p>The mass of the neutron star is believed to be in the range from 1.4 to 2 solar masses.</p> <p>The existence of the Crab Pulsar was first predicted by the Italian astrophysicist Franco Pacini in the 1960s to explain the nebula’s brightness.</p> <p>The neutron star was observed for the first time in 1968.</p> <p>As the remnant was associated with a historical supernova, it played a huge role in helping astronomers understand the nature of supernova remnants and made it possible for them to verify the pulsar’s basic properties, such as age, spin-down luminosity, and the orders of magnitude.</p> <p>The Crab Pulsar is also catalogued as PSR 0531+21 or NP0532.</p> <h3 style="text-align: center;">SUPERNOVA</h3> <p>Messier 1 was associated with the bright supernova SN 1054 in the early 20th century.</p> <figure id="attachment_53" aria-describedby="caption-attachment-53" style="width: 300px" class="wp-caption alignright"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Hubble.jpg"><img loading="lazy" decoding="async" class="size-medium wp-image-53" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Hubble-300x300.jpg" alt="crab nebula hubble,messier 1 composite" width="300" height="300" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Hubble-300x300.jpg 300w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Hubble-150x150.jpg 150w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Hubble.jpg 1024w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Hubble-50x50.jpg 50w" sizes="auto, (max-width: 300px) 100vw, 300px" /></a><figcaption id="caption-attachment-53" class="wp-caption-text">This image shows a composite view of the Crab Nebula as viewed by the Herschel Space Observatory and the Hubble Space Telescope. The image combines Hubble’s view of the nebula at visible wavelengths, obtained using three different filters sensitive to the emission from oxygen and sulphur ions and is shown here in blue. Herschel’s far-infrared image reveals the emission from dust in the nebula and is shown here in red. While studying the dust content of the Crab Nebula with Herschel, a team of astronomers have detected emission lines from argon hydride, a molecular ion containing the noble gas argon. This is the first detection of a noble-gas based compound in space. Image: ESA/Herschel/PACS/MESS Key Programme Supernova Remnant Team; NASA, ESA and Allison Loll/Jeff Hester (Arizona State University)</figcaption></figure> <p>In 1921, American astronomer Carl Otto Lampland noticed changes in the nebula’s structure, which eventually led astronomers to conclude that M1 was the expanding remnant of the supernova recorded by Chinese astronomers on July 4, 1054 AD.</p> <p>Chinese observers noted a “guest” star in the sky near the southern horn of <a href="https://www.constellation-guide.com/constellation-list/taurus-constellation/">Taurus</a>.</p> <p>Based on reports, SN 1054 was visible in the sky for 23 days. Analysis of historical records revealed that the supernova reached a peak magnitude of -7 and could be seen even in daylight.</p> <p>It was the brightest object in the night sky, second only to the Moon, and it remained visible to the naked eye for 653 days after its discovery.</p> <p>The supernova was also recorded by Arabic, Japanese, and Native American observers.</p> <p>In the early 1920s, Swedish astronomer Knut Lundmark noted the nebula’s proximity to the historical supernova and, in 1928, American astronomer and cosmologist Edwin Hubble suggested that the nebula be associated to the exploding star.</p> <p>However, as the nature of supernova events was not fully understood at the time, the suggestion remained confidential for several years, until the American astronomer Nicholas Mayall demonstrated that M1 was indeed the expanding remnant of SN 1054.</p> <p>The progenitor star likely had a mass of between 9 and 11 solar masses.</p> <p>The existence of the Crab Pulsar indicates that the nebula formed in a core-collapse supernova, one that occurs when a massive star runs out of fuel and collapses in on itself.</p> <p>SN 1054 has the variable star designation CM Tauri.</p> <h3 style="text-align: center;">FACTS</h3> <table> <tbody> <tr> <td width="619"><strong>Object: Nebula </strong></td> </tr> <tr> <td width="619"><strong>Type: Supernova remnant </strong></td> </tr> <tr> <td width="619"><strong>Designations: Messier 1, M1, Crab Nebula, NGC 1952, Sharpless 244, LBN 833, 3C 144</strong></td> </tr> <tr> <td width="619"><strong>Features: Optical pulsar</strong></td> </tr> <tr> <td width="619"><strong>Constellation: <a href="https://www.constellation-guide.com/constellation-list/taurus-constellation/">Taurus</a> </strong></td> </tr> <tr> <td width="619"><strong>Right ascension: 05h 34m 31.94s </strong></td> </tr> <tr> <td width="619"><strong>Declination: +22°00’52.2” </strong></td> </tr> <tr> <td width="619"><strong>Distance: 6,500 light years (2 kiloparsecs) </strong></td> </tr> <tr> <td width="619"><strong>Apparent magnitude: +8.4 </strong></td> </tr> <tr> <td width="619"><strong>Absolute magnitude: -3.1</strong></td> </tr> <tr> <td width="619"><strong>Apparent dimensions: 420″ × 290” (6×4 arc minutes)</strong></td> </tr> <tr> <td width="619"><strong>Radius: 5.5 light years (1.7 parsecs) </strong></td> </tr> </tbody> </table> <h3 style="text-align: center;">IMAGES</h3> <figure id="attachment_50" aria-describedby="caption-attachment-50" style="width: 600px" class="wp-caption aligncenter"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/M1.png"><img loading="lazy" decoding="async" class="wp-image-50" src="https://www.messier-objects.com/wp-content/uploads/2015/01/M1.png" alt="messier 1,crab nebula" width="600" height="463" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/M1.png 879w, https://www.messier-objects.com/wp-content/uploads/2015/01/M1-300x232.png 300w" sizes="auto, (max-width: 600px) 100vw, 600px" /></a><figcaption id="caption-attachment-50" class="wp-caption-text">This is the Crab Nebula in various energy bands, including a hard X-ray image from the HEFT data taken during its 2005 observation run. The angular resolution of HEFT is about 1.5′. Each image is 6′ wide. Image: NASA, CM Hubert Chen, Fiona A. Harrison, Principal Investigator, Caltech Charles J. Hailey, Columbia Principal, Columbia, Finn E. Christensen, DSRI Principal, DSRI, William W. Craig, Optics Scientist, LLNL, Stephen M. Schindler, Project Manager, Caltech</figcaption></figure> <figure id="attachment_57" aria-describedby="caption-attachment-57" style="width: 600px" class="wp-caption aligncenter"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-NASA.jpg"><img loading="lazy" decoding="async" class="wp-image-57" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-NASA.jpg" alt="messier 1,m1 visible light" width="600" height="459" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-NASA.jpg 720w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-NASA-300x230.jpg 300w" sizes="auto, (max-width: 600px) 100vw, 600px" /></a><figcaption id="caption-attachment-57" class="wp-caption-text">Crab Nebula in visible light taken by the Hale Observatory optical telescope in 1959. Credit: NASA Marshall Space Flight Center (NASA-MSFC)</figcaption></figure> <figure id="attachment_66" aria-describedby="caption-attachment-66" style="width: 600px" class="wp-caption aligncenter"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-false-colour.jpg"><img loading="lazy" decoding="async" class="wp-image-66" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-false-colour-1024x1024.jpg" alt="messier 1,m1" width="600" height="600" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-false-colour-1024x1024.jpg 1024w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-false-colour-150x150.jpg 150w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-false-colour-300x300.jpg 300w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-false-colour-50x50.jpg 50w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-false-colour.jpg 1270w" sizes="auto, (max-width: 600px) 100vw, 600px" /></a><figcaption id="caption-attachment-66" class="wp-caption-text">The Crab Nebula (Messier 1) is a well-known supernova remnant (the remains from massive star whose life ended in a massive explosion). This false-color image of the Crab Nebula was taken at the Vatican Observatory on Mount Graham using Sloan u’, g’, and r’ filters. The yellow filaments on the outside of the remnant are primarily ionized hydrogen gas and show up in both the u’ and r’ filters. The gas in the interior of the nebula is heated by the neutron star left by the explosion and its glowing light is visible in all the filters. While the neutron star itself is too faint to be see in the visible, the glowing disk of gas and debris that surround it also shows up quite clearly in the g’ filter (blue-white colors). One of the jets thrown off by the accreting neutron star is also partially visible in the g’ filter to the lower-left of the accretion disk. Image: Jjstott at wikipedia.org</figcaption></figure> <figure id="attachment_67" aria-describedby="caption-attachment-67" style="width: 600px" class="wp-caption aligncenter"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Chandra.jpg"><img loading="lazy" decoding="async" class="wp-image-67" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Chandra-1024x1024.jpg" alt="m1,crab nebula" width="600" height="600" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Chandra.jpg 1024w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Chandra-150x150.jpg 150w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Chandra-300x300.jpg 300w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-Chandra-50x50.jpg 50w" sizes="auto, (max-width: 600px) 100vw, 600px" /></a><figcaption id="caption-attachment-67" class="wp-caption-text">In the Crab Nebula, a rapidly rotating neutron star, or pulsar (white dot near the center), powers the dramatic activity seen by Chandra. The inner X-ray ring is thought to be a shock wave that marks the boundary between the surrounding nebula and the flow of matter and antimatter particles from the pulsar. Energetic particles move outward to brighten the outer ring and produce an extended X-ray glow. The jets perpendicular to the ring are due to matter and antimatter particles spewing out from the poles of the pulsar. The fingers, loops and bays visible on the outer boundary of the nebula are likely caused by confinement of the high-energy particles by magnetic forces. Image: Chandra X-ray Observatory, Smithsonian Institution, NASA/CXC/SAO/F.Seward et al.</figcaption></figure> <figure id="attachment_68" aria-describedby="caption-attachment-68" style="width: 600px" class="wp-caption aligncenter"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-supernova-remnant.jpg"><img loading="lazy" decoding="async" class="wp-image-68" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-supernova-remnant-964x1024.jpg" alt="m1 supernova remnant,crab nebula spitzer image" width="600" height="637" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-supernova-remnant.jpg 964w, https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Nebula-supernova-remnant-282x300.jpg 282w" sizes="auto, (max-width: 600px) 100vw, 600px" /></a><figcaption id="caption-attachment-68" class="wp-caption-text">This view of the supernova remnant obtained by the Spitzer Space Telescope shows the infrared view of this complex object. The blue-white region traces the cloud of energetic electrons trapped within the star’s magnetic field, emitting so-called “synchrotron” radiation. The red features follow the well-known filamentary structures that permeate this nebula. Though they are known to contain hot gasses, their exact nature is still a mystery that astronomers are examining.<br />The energetic cloud of electrons are driven by a rapidly rotating neutron star, or pulsar, at its core. The nebula is about 6,500 light-years away from the Earth, and is 5 light-years across.<br />This false-color image presents images from Spitzer’s Infrared Array Camera (IRAC) at 3.6 (blue), 4.5 (green), and 8.0 (red) microns. Image: NASA/JPL-Caltech/R. Gehrz (University of Minnesota)</figcaption></figure> <figure id="attachment_69" aria-describedby="caption-attachment-69" style="width: 600px" class="wp-caption aligncenter"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Pulsar-Hubble.jpg"><img loading="lazy" decoding="async" class="wp-image-69" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Pulsar-Hubble.jpg" alt="crab nebula centre,messier 1 pulsar" width="600" height="388" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Pulsar-Hubble.jpg 851w, https://www.messier-objects.com/wp-content/uploads/2015/01/Crab-Pulsar-Hubble-300x194.jpg 300w" sizes="auto, (max-width: 600px) 100vw, 600px" /></a><figcaption id="caption-attachment-69" class="wp-caption-text">Hubble Space Telescope observations of features very close to the Crab Pulsar, changing over time. Image: NASA</figcaption></figure> <figure id="attachment_70" aria-describedby="caption-attachment-70" style="width: 600px" class="wp-caption aligncenter"><a href="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-composite.jpg"><img loading="lazy" decoding="async" class="wp-image-70" src="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-composite-1024x1024.jpg" alt="m1 composite,messier 1 optical,m1 x-ray" width="600" height="600" srcset="https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-composite.jpg 1024w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-composite-150x150.jpg 150w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-composite-300x300.jpg 300w, https://www.messier-objects.com/wp-content/uploads/2015/01/Messier-1-composite-50x50.jpg 50w" sizes="auto, (max-width: 600px) 100vw, 600px" /></a><figcaption id="caption-attachment-70" class="wp-caption-text">A composite image of the Crab Nebula showing the X-ray (blue), and optical (red) images superimposed. The size of the X-ray image is smaller because the higher energy X-ray emitting electrons radiate away their energy more quickly than the lower energy optically emitting electrons as they move. Optical: NASA/HST/ASU/J. Hester et al. X-Ray: NASA/CXC/ASU/J. Hester et al.</figcaption></figure> </div><div class="nv-tags-list"><span>Tags:</span><a href=https://www.messier-objects.com/tag/3c-144/ title="3C 144" class=3c-144 rel="tag">3C 144</a><a href=https://www.messier-objects.com/tag/aldebaran/ title="Aldebaran" class=aldebaran rel="tag">Aldebaran</a><a href=https://www.messier-objects.com/tag/alexis-clairaut/ title="Alexis Clairaut" class=alexis-clairaut rel="tag">Alexis Clairaut</a><a href=https://www.messier-objects.com/tag/carl-otto-lampland/ title="Carl Otto Lampland" class=carl-otto-lampland rel="tag">Carl Otto Lampland</a><a href=https://www.messier-objects.com/tag/cm-tauri/ title="CM Tauri" class=cm-tauri rel="tag">CM Tauri</a><a href=https://www.messier-objects.com/tag/crab-nebula/ title="Crab Nebula" class=crab-nebula rel="tag">Crab Nebula</a><a href=https://www.messier-objects.com/tag/crab-pulsar/ title="Crab Pulsar" class=crab-pulsar rel="tag">Crab Pulsar</a><a href=https://www.messier-objects.com/tag/edwin-hubble/ title="Edwin Hubble" class=edwin-hubble rel="tag">Edwin Hubble</a><a href=https://www.messier-objects.com/tag/franco-pacini/ title="Franco Pacini" class=franco-pacini rel="tag">Franco Pacini</a><a href=https://www.messier-objects.com/tag/halleys-comet/ title="Halley's Comet" class=halleys-comet rel="tag">Halley's Comet</a><a href=https://www.messier-objects.com/tag/isaac-roberts/ title="Isaac Roberts" class=isaac-roberts rel="tag">Isaac Roberts</a><a href=https://www.messier-objects.com/tag/john-bevis/ title="John Bevis" class=john-bevis rel="tag">John Bevis</a><a href=https://www.messier-objects.com/tag/knut-lundmark/ title="Knut Lundmark" class=knut-lundmark rel="tag">Knut Lundmark</a><a href=https://www.messier-objects.com/tag/lbn-833/ title="LBN 833" class=lbn-833 rel="tag">LBN 833</a><a href=https://www.messier-objects.com/tag/lord-rosse/ title="Lord Rosse" class=lord-rosse rel="tag">Lord Rosse</a><a href=https://www.messier-objects.com/tag/m1/ title="M1" class=m1 rel="tag">M1</a><a 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href=https://www.messier-objects.com/tag/rudolf-minkowski/ title="Rudolf Minkowski" class=rudolf-minkowski rel="tag">Rudolf Minkowski</a><a href=https://www.messier-objects.com/tag/sharpless-244/ title="Sharpless 244" class=sharpless-244 rel="tag">Sharpless 244</a><a href=https://www.messier-objects.com/tag/sn-1054/ title="SN 1054" class=sn-1054 rel="tag">SN 1054</a><a href=https://www.messier-objects.com/tag/taurus-a/ title="Taurus A" class=taurus-a rel="tag">Taurus A</a><a href=https://www.messier-objects.com/tag/taurus-constellation/ title="Taurus Constellation" class=taurus-constellation rel="tag">Taurus Constellation</a><a href=https://www.messier-objects.com/tag/taurus-x-1/ title="Taurus X-1" class=taurus-x-1 rel="tag">Taurus X-1</a><a href=https://www.messier-objects.com/tag/zeta-tauri/ title="Zeta Tauri" class=zeta-tauri rel="tag">Zeta Tauri</a> </div> <div id="comments" class="comments-area"> </div> </article> <div class="nv-sidebar-wrap col-sm-12 nv-right blog-sidebar" > <aside id="secondary" role="complementary"> <div id="text-3" class="widget widget_text"> <div class="textwidget"> <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-0663561204264333" data-ad-slot="7505940549" data-ad-format="auto"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> </div><div id="text-2" class="widget widget_text"><p class="widget-title">Messier Objects</p> <div class="textwidget"><p><a href="https://www.messier-objects.com/messier-1-crab-nebula/">Messier 1: Crab Nebula</a><br /> <a href="https://www.messier-objects.com/messier-2/">Messier 2</a><br /> <a href="https://www.messier-objects.com/messier-3/">Messier 3</a><br /> <a href="https://www.messier-objects.com/messier-4/">Messier 4</a><br /> <a href="https://www.messier-objects.com/messier-5/">Messier 5</a><br /> <a href="https://www.messier-objects.com/messier-6-butterfly-cluster/">Messier 6: Butterfly Cluster</a><br /> <a href="https://www.messier-objects.com/messier-7-ptolemys-cluster/">Messier 7: Ptolemy Cluster</a><br /> <a href="https://www.messier-objects.com/messier-8-lagoon-nebula/">Messier 8: Lagoon Nebula</a><br /> <a href="https://www.messier-objects.com/messier-9/">Messier 9</a><br /> <a href="https://www.messier-objects.com/messier-10/">Messier 10</a><br /> <a href="https://www.messier-objects.com/messier-11-wild-duck-cluster/">Messier 11: Wild Duck Cluster</a><br /> <a href="https://www.messier-objects.com/messier-12-gumball-globular/">Messier 12: Gumball Globular</a><br /> <a href="https://www.messier-objects.com/messier-13-hercules-globular-cluster/">Messier 13: Hercules Globular Cluster</a><br /> <a href="https://www.messier-objects.com/messier-14/">Messier 14</a><br /> <a href="https://www.messier-objects.com/messier-15-great-pegasus-cluster/">Messier 15: Great Pegasus Cluster</a><br /> <a href="https://www.messier-objects.com/messier-16-eagle-nebula/">Messier 16: Eagle Nebula</a><br /> * <a href="https://www.messier-objects.com/pillars-of-creation/">Pillars of Creation</a><br /> <a href="https://www.messier-objects.com/messier-17-omega-nebula/">Messier 17: Omega Nebula</a><br /> <a href="https://www.messier-objects.com/messier-18/">Messier 18</a><br /> <a href="https://www.messier-objects.com/messier-19/">Messier 19</a><br /> <a href="https://www.messier-objects.com/messier-20-trifid-nebula/">Messier 20: Trifid Nebula</a><br /> <a href="https://www.messier-objects.com/messier-21/">Messier 21</a><br /> <a href="https://www.messier-objects.com/messier-22-sagittarius-cluster/">Messier 22: Sagittarius Cluster</a><br /> <a href="https://www.messier-objects.com/messier-23/">Messier 23</a><br /> <a href="https://www.messier-objects.com/messier-24-sagittarius-star-cloud/">Messier 24: Sagittarius Star Cloud</a><br /> <a href="https://www.messier-objects.com/messier-25/">Messier 25</a><br /> <a href="https://www.messier-objects.com/messier-26/">Messier 26</a><br /> <a href="https://www.messier-objects.com/messier-27-dumbbell-nebula/">Messier 27: Dumbbell Nebula</a><br /> <a href="https://www.messier-objects.com/messier-28/">Messier 28</a><br /> <a href="https://www.messier-objects.com/messier-29/">Messier 29</a><br /> <a href="https://www.messier-objects.com/messier-30/">Messier 30</a><br /> <a href="https://www.messier-objects.com/messier-31-andromeda-galaxy/">Messier 31: Andromeda Galaxy</a><br /> * <a href="https://www.messier-objects.com/mayall-ii/">Mayall II</a><br /> <a href="https://www.messier-objects.com/messier-32-le-gentil/">Messier 32: Le Gentil</a><br /> <a href="https://www.messier-objects.com/messier-33-triangulum-galaxy/">Messier 33: Triangulum Galaxy</a><br /> <a href="https://www.messier-objects.com/messier-34/">Messier 34</a><br /> <a href="https://www.messier-objects.com/messier-35/">Messier 35</a><br /> <a href="https://www.messier-objects.com/messier-36-pinwheel-cluster/">Messier 36: Pinwheel Cluster</a><br /> <a href="https://www.messier-objects.com/messier-37/">Messier 37</a><br /> <a href="https://www.messier-objects.com/messier-38-starfish-cluster/">Messier 38: Starfish Cluster</a><br /> <a href="https://www.messier-objects.com/messier-39/">Messier 39</a><br /> <a href="https://www.messier-objects.com/messier-40-winnecke-4/">Messier 40: Winnecke 4</a><br /> <a href="https://www.messier-objects.com/messier-41/">Messier 41</a><br /> <a href="https://www.messier-objects.com/messier-42-orion-nebula/">Messier 42: Orion Nebula</a><br /> * <a href="https://www.messier-objects.com/trapezium-cluster/">Trapezium Cluster</a><br /> <a href="https://www.messier-objects.com/messier-43-de-mairans-nebula/">Messier 43: De Mairan's Nebula</a><br /> <a href="https://www.messier-objects.com/messier-44-beehive-cluster/">Messier 44: Beehive Cluster</a><br /> <a href="https://www.messier-objects.com/messier-45-pleiades/">Messier 45: Pleiades</a><br /> * <a href="https://www.messier-objects.com/maia-nebula/">Maia Nebula</a><br /> * <a href="https://www.messier-objects.com/merope-nebula/">Merope Nebula</a><br /> <a href="https://www.messier-objects.com/messier-46/">Messier 46</a><br /> <a href="https://www.messier-objects.com/messier-47/">Messier 47</a><br /> <a href="https://www.messier-objects.com/messier-48/">Messier 48</a><br /> <a href="https://www.messier-objects.com/messier-49/">Messier 49</a><br /> <a href="https://www.messier-objects.com/messier-50-heart-shaped-cluster/">Messier 50: Heart-Shaped Cluster</a><br /> <a href="https://www.messier-objects.com/messier-51-whirlpool-galaxy/">Messier 51: Whirlpool Galaxy</a><br /> <a href="https://www.messier-objects.com/messier-52/">Messier 52</a><br /> <a href="https://www.messier-objects.com/messier-53/">Messier 53</a><br /> <a href="https://www.messier-objects.com/messier-54/">Messier 54</a><br /> <a href="https://www.messier-objects.com/messier-55-summer-rose-star/">Messier 55: Summer Rose Star</a><br /> <a href="https://www.messier-objects.com/messier-56/">Messier 56</a><br /> <a href="https://www.messier-objects.com/messier-57-ring-nebula/">Messier 57: Ring Nebula</a><br /> <a href="https://www.messier-objects.com/messier-58/">Messier 58</a><br /> <a href="https://www.messier-objects.com/messier-59/">Messier 59</a><br /> <a href="https://www.messier-objects.com/messier-60/">Messier 60</a><br /> <a href="https://www.messier-objects.com/messier-61/">Messier 61</a><br /> <a href="https://www.messier-objects.com/messier-62/">Messier 62</a><br /> <a href="https://www.messier-objects.com/messier-63-sunflower-galaxy/">Messier 63: Sunflower Galaxy</a><br /> <a href="https://www.messier-objects.com/messier-64-black-eye-galaxy/">Messier 64: Black Eye Galaxy</a><br /> * <a href="https://www.messier-objects.com/leo-triplet/">Leo Triplet</a><br /> <a href="https://www.messier-objects.com/messier-65/">Messier 65</a><br /> <a href="https://www.messier-objects.com/messier-66/">Messier 66</a><br /> * <a href="https://www.messier-objects.com/ngc-3628-hamburger-galaxy/">NGC 3628: Hamburger Galaxy</a><br /> <a href="https://www.messier-objects.com/messier-67-king-cobra-cluster/">Messier 67: King Cobra Cluster</a><br /> <a href="https://www.messier-objects.com/messier-68/">Messier 68</a><br /> <a href="https://www.messier-objects.com/messier-69/">Messier 69</a><br /> <a href="https://www.messier-objects.com/messier-70/">Messier 70</a><br /> <a href="https://www.messier-objects.com/messier-71/">Messier 71</a><br /> <a href="https://www.messier-objects.com/messier-72/">Messier 72</a><br /> <a href="https://www.messier-objects.com/messier-73/">Messier 73</a><br /> <a href="https://www.messier-objects.com/messier-74-phantom-galaxy/">Messier 74: Phantom Galaxy</a><br /> <a href="https://www.messier-objects.com/messier-75/">Messier 75</a><br /> <a href="https://www.messier-objects.com/messier-76-little-dumbbell-nebula/">Messier 76: Little Dumbbell Nebula</a><br /> <a href="https://www.messier-objects.com/messier-77-cetus-a/">Messier 77: Cetus A</a><br /> <a href="https://www.messier-objects.com/messier-78/">Messier 78</a><br /> <a href="https://www.messier-objects.com/messier-79/">Messier 79</a><br /> <a href="https://www.messier-objects.com/messier-80/">Messier 80</a><br /> <a href="https://www.messier-objects.com/messier-81-bodes-galaxy/">Messier 81: Bode's Galaxy</a><br /> <a href="https://www.messier-objects.com/messier-82-cigar-galaxy/">Messier 82: Cigar Galaxy</a><br /> <a href="https://www.messier-objects.com/messier-83-southern-pinwheel-galaxy/">Messier 83: Southern Pinwheel Galaxy</a><br /> <a href="https://www.messier-objects.com/messier-84/">Messier 84</a><br /> <a href="https://www.messier-objects.com/messier-85/">Messier 85</a><br /> <a href="https://www.messier-objects.com/messier-86/">Messier 86</a><br /> <a href="https://www.messier-objects.com/messier-87-virgo-a/">Messier 87: Virgo A</a><br /> <a href="https://www.messier-objects.com/messier-88/">Messier 88</a><br /> <a href="https://www.messier-objects.com/messier-89/">Messier 89</a><br /> <a href="https://www.messier-objects.com/messier-90/">Messier 90</a><br /> <a href="https://www.messier-objects.com/messier-91/">Messier 91</a><br /> <a href="https://www.messier-objects.com/messier-92/">Messier 92</a><br /> <a href="https://www.messier-objects.com/messier-93/">Messier 93</a><br /> <a href="https://www.messier-objects.com/messier-94-cats-eye-galaxy/">Messier 94: Cat's Eye Galaxy</a><br /> <a href="https://www.messier-objects.com/messier-95/">Messier 95</a><br /> <a href="https://www.messier-objects.com/messier-96/">Messier 96</a><br /> <a href="https://www.messier-objects.com/messier-97-owl-nebula/">Messier 97: Owl Nebula</a><br /> <a 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