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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <link href="../CssFiles/oneColFixCtrHdr.css" rel="stylesheet" type="text/css" /> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta name="robots" content="index, follow" /> <meta name="robots" content="noydir" /> <meta name="rating" content="safe for kids" /> <meta name="no-email-collection" content="http://www.astropixels.com/main/nospamharvesting.html" /> <title>AstroPixel Resources</title> <meta name="keywords" content="observing, Moon phases, ephemerides, star catalogs, sky events, eclipses, occultations, astronomy software" /> <meta name="description" content="This page contains dozens of useful links for observing, Moon phases, ephemerides, star catalogs, sky events, eclipses, occultations, astronomy software, and more." /> <meta name="author" content="Fred Espenak" /> <meta name="webmaster" content="Fred Espenak" /> <meta name="copyright" content="Fred Espenak" /> </head> <body class="oneColFixCtrHdr"> <div id="container900"> <div id="header"> <h1> <img src="../images/AstroPixels-2w.gif" width="801" height="50" alt="AstroPixels Banner" /></h1> <p> | <a href="../index.html" title="Home">Home</a> | <a href="http://www.astropixels.com/blog/" title="Blog">Blog</a> | <a href="../main/recent.html" title="Recent Images">Recent Images</a> | <a href="../main/photoindex.html" title="Photo Index">Photo Index</a> | <a href="../main/cro.html" title="Chile Remote">Chile Remote Obs.</a> | <a href="../bifrost/bifrostindex.html" title="Bifrost">Bifrost</a> | <a href="../ephemeris/ephemeris.html" title="Ephemeris">Ephemeris</a> | <a href="../main/resources.html" title="Resources">Resources</a> | <a href="../main/astronews.html" title="News">News</a> | <a href="../main/contact.html" title="Contact">Contact</a> | </p> <p><img class="center" src="../bifrost/images/Bifrost-Pan1bw.jpg" alt="Bifrost Astronomical Observatory" width="100%" /> </p> <pre> </pre> </div> <h1 class="smallcaps" align="center">Observing Resources Page</h1> <div id="mainContent"> <div class="pbox1"> <pre> </pre>  <h2>Clear Sky Clock for ASV</h2> <p> <a href="http://cleardarksky.com/c/ASVAZkey.html"> <img class="center" src="http://cleardarksky.com/csk/getcsk.php?id=ASVAZ" alt="cleardarksky" width=100%></a> </p> <p><img class="center" src="images/ClearSkyKey.jpg" alt="Clear Sky Key" width="100%" /> </p> <br/>  <hr class="blue" /> <h2>Weather Forecast for ASV Area</h2> <ul> <li><a href="https://weather.com/weather/tenday/l/USAZ0283:1:US">Weather Channel - 10 Day</a> </li> <li><a href="http://www.weather.com/weather/local/85632">Weather Channel Forecast: San Simon, AZ (85632)</a> </li> <li><a href="https://www.theweathernetwork.com/us/weather/arizona/portal" title="Weather Network: Portal, AZ">Weather Network: Portal, AZ - 10 Day</a> </li><li><a href="http://forecast.weather.gov/MapClick.php?CityName=Portal&state=AZ&site=TWC&textField1=31.9136&textField2=-109.141&e=0" title="NOAA Forecast: Portal, AZ">NOAA Forecast: Portal, AZ - 10 Day</a> </li> <li><a href="http://www.accuweather.com/us/az/san%20simon/85632/city-weather-forecast.asp" title="AccuWeather Forecast: San Simon, AZ">AccuWeather Forecast: San Simon, AZ</a> | <a href="http://www.accuweather.com/us/satellite/ei/az_/satellite.asp" title="AccuWeather Enhanced Satellite: Arizona">AccuWeather Enhanced Satellite: Arizona</a> </li> </ul> <ul> <li><a href="https://astroscenes.com/weather/ASVweather1.html" title="Churchill's ASV Weather Station">Churchill's ASV Weather Station</a> | <a href="http://portalstars.com/weather/" title="Furman's ASV Weather Station">Furman's ASV Weather Station</a> </li> <li><a href="http://www.jacknewton.com/weather/wx.htm" title="Newton's ASV Weather Station">Newton's ASV Weather Station</a> | <a href="http://www.dschre.vtchome.net/" title="Schreiber's Portal Weather Station">Schreiber's Portal Weather Station</a> </li> </ul> <ul> <li><a href="http://www.skippysky.com.au/NorthAmerica/" title="Skippy Sky">Skippy Sky</a> | <a href="http://weather.cod.edu/satrad/" title="COD Meteorology">COD Meteorology</a> | <a href="http://www.goes.noaa.gov/" title="NOAA West CONUS">NOAA West CONUS</a> | <a href="http://aviationweather.gov/adds/satellite/displaySat.php?region=ABQ&isingle=multiple&itype=irbw" title="Aviation: AZ-IR">Aviation: AZ-IR</a> | <a href="http://squall.sfsu.edu/crws/jetstream.html " title="CRWS Jet Stream">CRWS Jet Stream</a> | <a href="http://www.rap.ucar.edu/weather/upper/upaCNTR_200.gif" title="NCAR Color Jet Stream">NCAR Color Jet Stream</a> </li> </ul>   <hr class="blue" /> <h2>Phases of the Moon for 2021 (Mountain Standard Time)</h2> <div class="pbox1a"> <pre> Year New Moon First Quarter Full Moon Last Quarter 2021 Jan 6 02:37 Jan 12 22:00 Jan 20 14:02 Jan 28 12:16 Feb 4 10:37 Feb 11 12:06 Feb 19 11:47 Feb 27 01:17 Mar 5 18:30 Mar 13 03:21 Mar 21 07:40 Mar 28 11:48 Apr 4 03:02 Apr 11 19:31 Apr 19 23:59 Apr 26 20:31 May 3 12:50 May 11 12:00 May 19 12:13 May 26 04:14 t Jun 2 00:24 Jun 10 03:53 A Jun 17 20:54 Jun 24 11:40 Jul 1 14:11 Jul 9 18:17 Jul 17 03:11 Jul 23 19:37 Jul 31 06:16 Aug 8 06:50 Aug 15 08:20 Aug 22 05:02 Aug 30 00:13 Sep 6 17:52 Sep 13 13:39 Sep 20 16:55 Sep 28 18:57 Oct 6 04:05 Oct 12 20:25 Oct 20 07:57 Oct 28 13:05 Nov 4 14:15 Nov 11 05:46 Nov 19 01:58 p Nov 27 05:28 Dec 4 00:43 T Dec 10 18:36 Dec 18 21:36 Dec 26 19:24 </pre> <ul> <li><a href="../ephemeris/moon/phases2011mst.html" title="Moon Phases">Moon Phases for 2011-2030 (Mountain Standard Time}</a> </li> </ul> </div>     <pre> </pre>  <hr class="blue" /> <table class="datatab" cellspacing="0" style="margin-left: auto; margin-right: auto;"> <thead> <tr> <td colspan="12">Almanac of Astronomical Events: 2021 to 2030</td> </tr> </thead> <tbody> <tr class="odd"> <td><strong>GMT</strong></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2021gmt.html"> 2021 </a></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2022gmt.html"> 2022 </a></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2023gmt.html"> 2023 </a></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2024gmt.html"> 2024 </a></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2025gmt.html"> 2025 </a></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2026gmt.html"> 2026 </a></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2027gmt.html"> 2027 </a></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2028gmt.html"> 2028 </a></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2029gmt.html"> 2029 </a></td> <td style="width: 30px;"><a href="../almanac/almanac21/almanac2030gmt.html"> 2030 </a></td> </tr> </tbody> </table> <table class="datatab" cellspacing="0" style="margin-left: auto; margin-right: auto;"> <thead> <tr> <td colspan="12">Geocentric Ephemerides for the Sun and Moon: 2020 to 2030</td> </tr> </thead> <tbody> <tr class="odd"> <td><strong>Sun</strong></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2020.html"> 2020 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2021.html"> 2021 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2022.html"> 2022 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2023.html"> 2023 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2024.html"> 2024 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2025.html"> 2025 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2026.html"> 2026 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2027.html"> 2027 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2028.html"> 2028 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2029.html"> 2029 </a></td> <td style="width: 30px;"><a href="../ephemeris/sun/sun2030.html"> 2030 </a></td> </tr> <tr class="even"> <td><strong>Moon</strong></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2020.html"> 2020 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2021.html"> 2021 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2022.html"> 2022 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2023.html"> 2023 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2024.html"> 2024 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2025.html"> 2025 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2026.html"> 2026 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2027.html"> 2027 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2028.html"> 2028 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2029.html"> 2029 </a></td> <td style="width: 30px;"><a href="../ephemeris/moon/moon2030.html"> 2030 </a></td> </tr> </tbody> </table>  <hr class="blue" /> <h2>Observing Data for ASV</h2> <ul> <li><strong>Sky Data </strong> | <a href="http://www.heavens-above.com/" title="Heavens Above">Heavens Above</a> | <a href="http://www.calsky.com/?lang=en&coorSystem=WGS84&lon=-109.127376&lat=31.932317&timezone=MST7MST" title="CalSky">CalSky</a> | <a href="http://www.fourmilab.ch/cgi-bin/uncgi/Yoursky?fov=1&lat=31.932317&lon=109.127376&depm=0&consto=1&imgsize=1000&moonp=1" title="Your Sky (Fourmilab)">Your Sky (Fourmilab)</a> | <a href="http://cleardarksky.com/cgi-bin/sunmoondata.py?Mn=eyepiece&id=ASVAZ&tz=-7" title="USNO: Sun & Moon">USNO: Sun & Moon</a> | </li> <li><strong>Heavens Above </strong> | <a href="http://www.heavens-above.com/?lat=31.930400&lng=-109.127400&alt=0&loc=Arizona+Sky+Village&TZ=Arizona" title="Heavens Above">Heavens Above</a> | <a href="http://www.heavens-above.com/sun.asp?lat=31.930400&lng=-109.127400&loc=Arizona+Sky+Village&alt=0&tz=Arizona" title="Sun">Sun</a> | <a href="http://www.heavens-above.com/moon.asp?lat=31.930400&lng=-109.127400&loc=Arizona+Sky+Village&alt=0&tz=Arizona" title="Moon">Moon</a> | <a href="http://www.heavens-above.com/planetsummary.asp?lat=31.930400&lng=-109.127400&loc=Arizona+Sky+Village&alt=0&tz=Arizona" title="Planets">Planets</a> | </li> <li><strong>Maps </strong> | <a href="http://cleardarksky.com/lp/ASVAZlp.html?Mn=dobsonian" title="Light Pollution Map">Light Pollution Map</a> | <a href="http://www.mytopo.com/maps/?mtlat=31.932317&mtlon=-109.127376" title="Topo Map">Topo Map</a> | <a href="http://maps.google.com/maps?ll=31.932317,-109.127376&spn=0.021372,0.032830&t=k&hl=en" title="Google Map Satellite Image">Google Map Satellite Image</a> | </li> </ul>   <hr class="blue" /> <h2>Astronomy Information</h2> <br/> <strong>AstroPixels Links</strong> <ul> <li><strong>General</strong> | <a href="../constellations/constellationslist.html" title="Constellationss">Constellations</a> | <a href="../stars/brightstars.html" title="Brightest Stars">Brightest Stars</a> | <a href="../messier/messiercat.html" title="Messier Catalog">Messier Catalog</a> | <a href="../caldwell/caldwellcat.html" title="Caldwell Catalog">Caldwell Catalog</a> | <a href="../main/polaralignment.html" title="Polar Alignment">Polar Alignment</a> | </li>  <li><strong>Earth</strong> | <a href="../almanac/almanac.html">Sky Events Almanac</a> | <a href="../ephemeris/calendarconverter.html">Calendar Date Converter</a> | <a href="../ephemeris/soleq2001.html">Solstices and Equinoxes</a> | <a href="../ephemeris/perap2001.html">Perihelion and Aphelion</a> | <a href="../ephemeris/ephemeris.html">Planetary Ephemerides</a> | </li> <li><strong>Moon Phases</strong> | <a href="../ephemeris/moon/phases2001gmt.html">GMT</a> | <a href="../ephemeris/moon/phases2001est.html">EST</a> | <a href="../ephemeris/moon/phases2001cst.html">CST</a> | <a href="../ephemeris/moon/phases2001mst.html">MST</a> | <a href="../ephemeris/moon/phases2001pst.html">PST</a> | <a href="../ephemeris/phasescat/phasescat.html">Six Millennium Catalog</a> | </li> <li><strong>Moon Orbit</strong> | <a href="../ephemeris/moon/synodicmonth2001.html">Length of Synodic Month</a> | <a href="../ephemeris/moon/moonperap2001.html">Perigee & Apogee</a> | <a href="../ephemeris/moon/fullperigee2001.html">Super Moons</a> | <a href="../ephemeris/moon/moonnodes2001.html">Ascending & Descending Node</a> | <a href="../ephemeris/moon/moondec2001.html">Lunar Standstills</a> | </li> <li><strong>Eclipses</strong> | <a href="../eclipses/solar.html" title="Solar Eclipses"> Solar</a> | <a href="../eclipses/lunar.html" title="Lunar Eclipses"> Lunar</a> | </li> <li><strong>2021 Ephemerides</strong> | <a href="../ephemeris/sun/sun2021.html"> Sun </a> | <a href="../ephemeris/moon/moon2021.html"> Moon </a> | <a href="../ephemeris/planets/mercury2021.html"> Mercury </a> | <a href="../ephemeris/planets/venus2021.html"> Venus </a> | <a href="../ephemeris/planets/mars2021.html"> Mars </a> | <a href="../ephemeris/planets/jupiter2021.html"> Jupiter </a> | <a href="../ephemeris/planets/saturn2021.html"> Saturn </a> | <a href="../ephemeris/planets/uranus2021.html"> Uranus </a> | <a href="../ephemeris/planets/neptune2021.html"> Neptune </a> | </li> </ul> <br/> <strong>Additional Links</strong> <ul> <li><strong>Sun</strong> | <a href="http://sohowww.nascom.nasa.gov/data/realtime-images.html" title="SOHO"> SOHO</a> | <a href="http://sdowww.lmsal.com/suntoday/" title="SDO"> SDO </a> | <a href="http://mlso.hao.ucar.edu/index.php" title="MLSO"> MLSO </a> | <a href="http://umbra.gsfc.nasa.gov/images/latest.html" title="SDAC"> SDAC </a> | <a href="http://solarchat.natca.net/index.php/en/?func=listcat" title="Solar Chat"> Solar Chat </a> | <a href="http://brierleyhillsolar.blogspot.co.uk/" title="Brierley Hill"> Brierley Hill </a> | </li> <li><strong>Ephemerides </strong> | <a href="http://ssd.jpl.nasa.gov/horizons.cgi" title="JPL Horizons"> JPL Horizons</a> | <a href="http://www.minorplanetcenter.net/iau/MPEph/MPEph.html" title="IAU Minor Planets & Comets">IAU Minor Planets & Comets</a> | <a href="http://www.cfa.harvard.edu/iau/Ephemerides/Comets/SoftwareComets.html" title="MPC Orbital Elements">MPC Orbital Elements</a> | <a href="http://www.ngdc.noaa.gov/geomagmodels/Declination.jsp" title="Magnetic Declination"> Magnetic Declination</a> | <a href="http://www.iers.org/IERS/EN/DataProducts/EarthOrientationData/eop.html?__nnn=true" title="Earth Orientation">Earth Orientation</a> | <a href="http://www.phys.uu.nl/~vgent/deltat/deltat.htm" title="Delta T"> Delta T</a> | <a href="http://www.briancasey.org/artifacts/astro/skycalendar.cgi" title="Sky Calendar"> Sky Calendar</a> | </li> <li><strong>Star Catalogs </strong> | <a href="http://tdc-www.harvard.edu/catalogs/index.html" title="SAO List">SAO List</a> | <a href="http://tdc-www.harvard.edu/catalogs/sao.html" title="SAO">SAO</a> | <a href="http://tdc-www.harvard.edu/catalogs/bsc5.html" title="Yale">Yale</a> | <a href="http://www.rssd.esa.int/index.php?project=HIPPARCOS&page=Overview" title="Hipparcos & Tycho">Hipparcos & Tycho</a> | <a href="http://www.cosmobrain.com/cosmobrain/res/brightstar.html" title="50 Brightest">50 Brightest</a> | <a href="http://stars.astro.illinois.edu/sow/bright.html" title="152 Brightest">152 Brightest</a> | <a href="http://www.atlasoftheuniverse.com/stars.html" title="300 Brightest"> 300 Brightest</a> | <a href="http://www.ngcicproject.org/default.htm" title="NGC/IC Project"> NGC/IC Project</a> | </li> <li><strong>Star Maps </strong> | <a href="http://www.iau.org/public/constellations/" title="IAU Constellations">IAU Constellations</a> | <a href="http://www.skymaps.com/downloads.html" title="SkyMaps"> SkyMaps</a> | <a href="http://www.nightskyatlas.com/" title="Night Sky Atlas">Night Sky Atlas</a> | <a href="http://www.wikisky.org/" title="WikiSky">WikiSky</a> | <a href="http://www.atlasoftheuniverse.com/" title="Atlas of Universe"> Atlas of Universe</a> | <a href="http://www.skyviewcafe.com/" title="Sky View Cafe">Sky View Cafe</a> | <a href="http://www.fourmilab.ch/yoursky/" title="Fourmilab">Fourmilab</a> | <a href="http://www.glyphweb.com/esky/default.htm" title="Electronic Sky"> Electronic Sky</a> | </li> <li><strong>Sky Events </strong> | <a href="http://www.heavens-above.com/?lat=31.930400&lng=-109.127400&alt=0&loc=Arizona+Sky+Village&TZ=Arizona" title="Heavens Above">Heavens Above</a> | <a href="https://theskylive.com/" title="The Sky Live">The Sky Live</a> |  <a href="../almanac/almanac.html">AstroPixels Sky Events Almanac</a> <a href="http://www.griffithobservatory.org/skysun.html" title="Griffith Sky Info">Griffith Sky Info</a> | <a href="http://www.projectpluto.com/mut_pln.htm" title="Project Pluto"> Project Pluto</a> | <a href="http://www.skyandtelescope.com/observing/ataglance?1=1" title="This Week's Sky"> This Week's Sky</a> | </li> <li><strong>Eclipses </strong> | <a href="../eclipses/solar.html" title="Solar Eclipses"> Solar</a> | <a href="../eclipses/lunar.html" title="Lunar Eclipses"> Lunar</a> | <a href="http://www.EclipseWise.com/eclipse.html" title="EclipseWise"> EclipseWise</a> | <a href="http://www.EclipseWise.com/solar/solar.html" title="EclipseWise Solar"> EclipseWise Solar</a> | <a href="http://www.EclipseWise.com/lunar/lunar.html" title="EclipseWise Lunar"> EclipseWise Lunar</a> | <a href="http://www.mreclipse.com/MrEclipse.html" title="MrEclipse"> MrEclipse</a> | <a href="http://www.eclipse.org.uk/eclbin/query_hmnao.cgi" title="HMNAO"> HMNAO</a> | <a href="http://www.williams.edu/Astronomy/IAU_eclipses/" title="IAU">IAU</a> | <a href="http://home.cc.umanitoba.ca/~jander/" title="Anderson"> Anderson</a> | <a href="http://www.eclipse-maps.com/Eclipse-Maps/Welcome.html" title="Eclipse-Maps">Eclipse-Maps</a> | <a href="http://www.hermit.org/Eclipse/" title="Hermit">Hermit</a> | <a href="http://xjubier.free.fr/en/site_pages/SolarEclipsesGoogleMaps.html" title="Jubier">Jubier</a> | <a href="http://www.eclipse-chasers.com/default.html" title="Kramer">Kramer</a> | <a href="http://www.greatamericaneclipse.com/" title="Great American Eclipse 2017">Great American Eclipse 2017</a> | <a href="http://www.mcglaun.com/eclipses.htm" title="Mcglaun">Mcglaun</a> | </li> <li><strong>Occultations </strong> | <a href="http://tdc-www.harvard.edu/occultations/" title="Stellar Occultations">Stellar Occultations</a> | <a href="http://www.occultations.org/" title="IOTA">IOTA</a> | <a href="http://www.occultations.net/" title="Astronomy Occultations"> Astronomy Occultations</a> | <a href="http://www.bogan.ca/astro/occultations/occltlst.htm" title="Mutual Planetary Occultations">Mutual Planetary Occultations</a> | <a href="http://eclipse.gsfc.nasa.gov/transit/transit.html" title="NASA Transits">NASA Transits</a> | <a href="http://www.projectpluto.com/mut_pln.htm" title="Project Pluto"> Project Pluto</a> | </li> <li><strong>Astronomy Images</strong> | <a href="http://apod.nasa.gov/apod/" title="APOD">APOD</a> | <a href="http://lpod.wikispaces.com/" title="LPOD">LPOD</a> | <a href="http://www.twanight.org/newTWAN/index.asp" title="TWAN">TWAN</a> | <a href="http://www.spaceweather.com/" title="Space Weather">Space Weather</a> | <a href="http://hla.stsci.edu/" title="Hubble">Hubble</a> | <a href="http://www.nasa.gov/multimedia/imagegallery/index.html" title="NASA">NASA</a> | </li> <li><strong>Astronomy Software </strong> | <a href="http://astronomyonline.org/astronomysoftware.asp" title="AstronomyOnline"> AstronomyOnline List</a> | <a href="http://www.bisque.com/sc/pages/TheSkyX-Professional-Edition.aspx" title="The SkyX"> The SkyX</a> | <a href="http://www.starrynight.com/" title="Starry Night">Starry Night</a> | <a href="http://www.carinasoft.com/" title="Voyager">Voyager</a> | <a href="http://www.projectpluto.com/" title="Project Pluto"> Project Pluto</a> | <a href="http://astro.nineplanets.org/astrosoftware.html" title="Nine Planets List">Nine Planets List</a> | <a href="http://tdc-www.harvard.edu/astro.software.html" title="SAO Software List"> SAO Software List</a> | <a href="http://www.prodigitalsoftware.com/Astronomy_Tools_For_Full_Version.html" title="Action Tools">Action Tools</a> | <a href="http://www.stark-labs.com/nebulosity.html" title="Nebulosity">Nebulosity</a> | <a href="http://ccdcommander.com/" title="CCD Commander">CCD Commander</a> | </li> <li><strong>Astronomy Tools</strong> | <a href="http://www.usno.navy.mil/USNO/astronomical-applications/data-services/cal-to-jd-conv" title="Julian Date">Julian Date</a> | <a href="http://www.usno.navy.mil/USNO/astronomical-applications/data-services/jd-to-cal-conv" title="Calendar Date">Calendar Date</a> | <a href="http://www.usno.navy.mil/USNO/astronomical-applications/data-services/rs-one-year-us" title="Sunrise/Sunset">Sunrise/Sunset</a> | <a href="http://www.usno.navy.mil/USNO/astronomical-applications/data-services" title="USNO">USNO</a> | <a href="http://ssd.jpl.nasa.gov/tc.cgi" title="JPL Date">JPL Date</a> | </li> <li><strong>Publications </strong> | <a href="http://www.adsabs.harvard.edu/" title="ADS">ADS</a> | <a href="http://www.astronomy.com/" title="Astronomy">Astronomy</a> | <a href="http://www.skyandtelescope.com/" title="Sky & Telescope">Sky & Telescope</a> | <a href="http://astronomytechnologytoday.com/" title="Astro Tech Today">Astro Tech Today</a> | <a href="http://www.skynews.ca/index.html" title="Sky News">Sky News</a> | <a href="http://www.astrophotoinsight.com/" title="Astrophoto Insight">Astrophoto Insight</a> | <a href="http://www.astronomynow.com/" title="Astronomy Now">Astronomy Now</a> | <a href="http://www.bbcskyatnightmagazine.com/" title="Sky At Night">Sky At Night</a> | <a href="http://www.space.com/" title="Space.com">Space.com</a> | </li> <li><strong>Amateurs</strong> | <a href="http://www.cloudynights.com/" title="Cloudy Nights">Cloudy Nights</a> | <a href="http://www.astromart.com/" title="AstroMart">AstroMart</a> | <a href="http://obs.nineplanets.org/obs/obslist.html" title="Observatories">Observatories</a> | <a href="http://tech.dir.groups.yahoo.com/dir/1600082805" title="Yahoo">Yahoo</a> | </li> <li><strong>AstronomyOnline</strong> | <a href="http://astronomyonline.org/default.asp?Cate=Home" title="AstronomyOnline">Home</a> | <a href="http://astronomyonline.org/Observation/Introduction.asp?Cate=Observation&SubCate=MP07" title="AstronomyOnline">Observation</a> | <a href="http://astronomyonline.org/Science/Introduction.asp?Cate=Science&SubCate=MP01" title="AstronomyOnline">Science</a> | <a href="http://astronomyonline.org/SolarSystem/Introduction.asp?Cate=SolarSystem&SubCate=Introduction&SubCate2=SS00" title="AstronomyOnline">Solar System</a> | <a href="http://astronomyonline.org/Stars/Introduction.asp?Cate=Stars&SubCate=OG01" title="AstronomyOnline">Stars</a> | <a href="http://astronomyonline.org/OurGalaxy/Introduction.asp?Cate=OurGalaxy&SubCate=OG01" title="AstronomyOnline">Our Galaxy</a> | <a href="http://astronomyonline.org/Cosmology/Introduction.asp?Cate=Cosmology&SubCate=CM01" title="AstronomyOnline">Cosmology</a> | <a href="http://astronomyonline.org/Astrobiology/Introduction.asp?Cate=Astrobiology&SubCate=AB01" title="AstronomyOnline">Astrobiology</a> | <a href="http://astronomyonline.org/Exoplanets/Introduction.asp?Cate=Exoplanets&SubCate=EP01" title="AstronomyOnline">Exoplanets</a> | <a href="http://astronomyonline.org/Astrophotography/Introduction.asp?Cate=Astrophotography&SubCate=AP01" title="AstronomyOnline">Astrophotography</a> | <a href="http://astronomyonline.org/astronomysoftware.asp" title="AstronomyOnline">Software</a> | </li> </ul>  <h2>Astronomical Equipment</h2> <ul> <li><strong>Dealers </strong> | <a href="http://www.buytelescopes.com/" title="Anacortes">Anacortes</a> | <a href="http://www.astronomics.com/main/Cables.asp?catalog_name=Astronomics&category_name=Home&term=Astronomics+exact&se=Google" title="Astronomics">Astronomics</a> | <a href="http://handsonoptics.com/" title="Hands On Optics">Hands On Optics</a> | <a href="http://www.sciencecenter.net/hutech/" title="Hutech">Hutech</a> | <a href="http://www.optcorp.com/" title="OPT">OPT</a> | <a href="http://www.telescope.com/control/main/" title="Orion">Orion</a> | <a href="http://starizona.com/acb/" title="Starizona">Starizona</a> | <a href="http://www.landseaskyco.com/store/index.php" title="Texas Nautical">Texas Nautical</a> | </li> <li><strong>Telescopes </strong> | <a href="http://www.astrosysteme.at/eng/astrographs.html" title="ASA">ASA</a> | <a href="http://www.astro-physics.com/" title="Astro-Physics">Astro-Physics</a> | <a href="http://www.astronomytechnologies.com/" title="Astro Tech">Astro Tech</a> | <a href="http://www.celestron.com/c3/home.php" title="Celestron">Celestron</a> | <a href="http://www.daystarfilters.com/" title="Daystar">Daystar</a> | <a href="http://www.luntsolarsystems.com/" title="Lunt">Lunt</a> | <a href="http://www.meade.com/" title="Meade">Meade</a> | <a href="http://www.orionoptics.co.uk/CT/ctrangeand%28ota%29t.html" title="Orion">Orion Optics</a> | <a href="http://planewave.com/" title="Planewave">Planewave</a> | <a href="http://www.rcopticalsystems.com/" title="RC">RC</a> | <a href="http://www.skywatchertelescope.net" title="Sky-Watcher">Sky-Watcher</a> | <a href="http://www.stellarvue.com/" title="Stellarvue">Stellarvue</a> | <a href="http://www.telescopengineering.com/" title="TEC">TEC</a> | <a href="http://www.televue.com" title="Televue">Televue</a> | <a href="http://www.vixenoptics.com/" title="Vixen">Vixen</a> | <a href="http://www.williamoptics.com/" title="William Optics">William Optics</a> | </li> <li><strong>CCD Cameras </strong> | <a href="http://www.alnitakastro.com/" title="Alnitak">Alnitak</a> | <a href="http://www.ccd.com/" title="Apogee">Apogee</a> | <a href="http://www.atik-cameras.com/" title="Atik">Atik</a> | <a href="http://www.flicamera.com/microline/index.html" title="Finger Lakes">Finger Lakes</a> | <a href="http://www.meade.com/" title="Meade">Meade</a> | <a href="http://www.telescope.com/control/main/" title="Orion">Orion</a> | <a href="http://qsimaging.com/" title="QSI">QSI</a> | <a href="http://www.sbig.com/" title="SBIG">SBIG</a> | <a href="http://www.starlight-xpress.co.uk/" title="Starlight Xpress">Starlight Xpress</a> | </li> <li><strong>Solar Filters </strong> | <a href="http://www.baader-planetarium.com/sofifolie/details_e.htm" title="Baader">Baader</a> | <a href="http://www.meade.com/product_pages/coronado/coronado.php" title="Coronado">Coronado</a> | <a href="http://www.daystarfilters.com/" title="Daystar">Daystar</a> | <a href="http://www.luntsolarsystems.com/" title="Lunt">Lunt</a> | <a href="http://www.rainbowsymphony.com/eclipse/sofilter.html" title="Rainbow Symphony">Rainbow Symphony</a> | <a href="http://www.seymoursolar.com/" title="Seymour">Seymour</a> | <a href="http://www.thousandoaksoptical.com/index.html" title="Thousand Oaks Optical">Thousand Oaks Optical</a> | </li> <li><strong>Accessories </strong> | <a href="http://www.astrodon.com/" title="Astrodon">Astrodon</a> | <a href="http://www.robincasady.com/Astro/" title="Robin Cassady">Robin Cassady</a> | <a href="http://www.explora-dome.com/" title="ExploraDome">ExploraDome</a> | <a href="http://www.jimsmobile.com/" title="Jim's Mobile">Jim's Mobile</a> | <a href="http://www.kendauzat.net/other.htm" title="Ken Dauzat">Ken Dauzat</a> | <a href="http://www.intint.com/andy/build.html" title="Andy Homeyer">Andy Homeyer</a> | <a href="http://www.losmandy.com/" title="Losmandy">Losmandy</a> | <a href="http://opticalsupports.com/mount_adapters.html" title="Optical Supports">Optical Supports</a> | <a href="http://www.telescope.com/control/main/" title="Orion">Orion</a> | <a href="http://www.parallaxinstruments.com/ring.htm" title="Parallax">Parallax</a> | <a href="http://www.stark-labs.com/" title="Stark Labs">Stark Labs</a> | <a href="http://www.homedome.com/" title="Technical Innovations">Technical Innovations</a> | <a href="http://telescopeadapters.com/" title="TelescopeAdapters">Telescope Adapters</a> | <a href="http://www.televue.com" title="Televue">Televue</a> | </li> </ul>  <h2>Astro Imagers</h2> <ul> <li><strong>ASV </strong> | <a href="http://www.conferringwiththesky.org/" title="Rick Beno">Rick Beno</a> | <a href="https://astroscenes.com/" title="David Churchill">David Churchill</a> | <a href="http://www.astroimager.net/index.html" title="Jim Janusz">Jim Janusz</a> | <a href="http://www.astrophotographybyjoemorris.net/index.html" title="Joe Morris">Joe Morris</a> | <a href="http://www.jacknewton.com/image_gallery.htm" title="Jack Newton">Jack Newton</a> | </li> <li><strong>USA </strong> | <a href="http://blog.deepskycolors.com/" title="Rogelio Bernal Andreo">Rogelio Bernal Andreo</a> | <a href="http://www.caelumobservatory.com/index.html" title="Adam Block">Adam Block</a> | <a href="http://www.rc-astro.com/index.php" title="Russell Croman">Russell Croman</a> | <a href="http://www.starrywonders.com/" title="Steve Cannistra">Steve Cannistra</a> | <a href="http://www.abmedia.com/astro/" title="Chris Cook">Chris Cook</a> | <a href="http://www.imagingdeepsky.com/" title="Ken Crawford">Ken Crawford</a> | <a href="http://members.pcug.org.au/~stevec/Epsilon%20180%20Images.htm" title="Steve Crouch">Steve Crouch</a> | <a href="http://www.bucksnortobservatory.com/" title="John Davis">John Davis</a> | <a href="http://www.tvdavisastropics.com/index.htm" title="Thomas V. Davis">Thomas V. Davis</a> | <a href="http://www.de-regt.com/Astronomy/index.htm" title="Mark de Regt">Mark de Regt</a> | <a href="http://www.hbastro.com/index.html" title="Dave Erickson">Dave Erickson</a> | <a href="http://www.masil-astro-imaging.com/" title="Sheldon Faworski & Sean Walker">S. Faworski & S. Walker</a> | <a href="http://bf-astro.com/index.htm" title="Bob Franke">Bob Franke</a> | <a href="http://www.avertedimagination.com/main1.htm" title="Alan Friedman">Alan Friedman</a> | <a href="http://www.cosmotography.com/" title="Jay GaBany">Jay GaBany</a> | <a href="http://www.robgendlerastropics.com/" title="Rob Gendler">Rob Gendler</a> | <a href="http://www.astrodonimaging.com/" title="Don Goldman">Don Goldman</a> | <a href="http://www.astrophoto.com/" title="Tony & Daphne Hallas">Tony & Daphne Hallas</a> | <a href="http://hetlage.com/home.htm" title="Chris Hetlage">Chris Hetlage</a> | <a href="http://starimager.com/Home_Page.htm" title="Dave Jurasevich">Dave Jurasevich</a> | <a href="http://www.astropix.com/" title="Jerry Lodriguss">Jerry Lodriguss</a> | <a href="http://www.dl-digital.com/Astronomy_main.html" title="Dick Locke">Dick Locke</a> | <a href="http://www.fourthdimensionastroimaging.com/" title="Steve Mazlin">Steve Mazlin</a> | <a href="http://www.astronomersdoitinthedark.com/" title="Scott Rosen">Scott Rosen</a> | <a href="http://deanrowe.net/astro/" title="Dean Rowe">Dean Rowe</a> | <a href="http://www.schursastrophotography.com/astromain.html" title="Chris Schur">Chris Schur</a> | <a href="http://www.aznightsky.com/Astrophotography2.htm" title="Chris Vedeler">Chris Vedeler</a> | </li> <li><strong>Canada </strong> | <a href="https://astrodoc.ca/" title="Ron Brecher">Ron Brecher (Astro Doc)</a> | <a href="https://amazingsky.net/" title="Alan Dyer">Alan Dyer (Amazing Sky)</a> | <a href="https://astrobackyard.com/" title="Trevor Jones">Trevor Jones (AstroBackyard)</a> | </li> <li><strong>Europe </strong> | <a href="http://www.perseus.gr/" title="Anthony Ayiomamitis">Anthony Ayiomamitis</a> | <a href="http://www.astroeder.com/en.htm" title="Ivan Eder">Ivan Eder</a> | <a href="http://astrosurf.com/jordigallego/index.html" title="Jordi Gallego">Jordi Gallego</a> | <a href="http://www.emilivanov.com/CCD%20Images/Catalog_Messier.htm" title="Emil Ivanov">Emil Ivanov</a> | <a href="http://www.greeksky.gr/" title="Chris Kotsiopoulos">Chris Kotsiopoulos</a> | <a href="http://astroanarchy.zenfolio.com/" title="J-P Metsavainio">J-P Metsavainio</a> | <a href="http://www.starkeeper.it/index.htm" title="Leonardo Orazi">Leonardo Orazi</a> | <a href="http://www.newforestobservatory.com/about/" title="Greg Parker">Greg Parker</a> | <a href="http://www.astro-pics.com/" title="Wolfgang Promper">Wolfgang Promper</a> | <a href="http://www.collectingphotons.com/index.htm" title="Gimmi Ratto">Gimmi Ratto</a> | <a href="http://www.astrostudio.at/all.php" title="Gerald Rhemann">Gerald Rhemann</a> | <a href="http://panther-observatory.com/" title="Johannes Schedler">Johannes Schedler</a> | <a href="http://www.photomeeting.de/astromeeting/_index.htm" title="Stefan Seip">Stefan Seip</a> | <a href="http://astrophoto-sv.com/" title="Sergi Verdugo">Sergi Verdugo</a> | </li> <li><strong>Other </strong> | <a href="http://www.astrosurf.com/sguisard/" title="Stephane Guisard">Stephane Guisard</a> | <a href="http://www.babaktafreshi.com" title="Babak Tafreshi">Babak Tafreshi</a> | <a href="http://astroshed.com/index.html" title="Eddie Trimarchi">Eddie Trimarchi</a> | </li> <li><strong>Planetary </strong> | <a href="http://jupiter.cstoneind.com/" title="Christopher Go">Christopher Go</a> | <a href="http://www.damianpeach.com/" title="Damian Peach">Damian Peach</a> | </li> <li><strong>Solar </strong> | <a href="http://www.avertedimagination.com/" title="Alan Friedman">Alan Friedman</a> | <a href="http://www.stephenramsden.com/" title="Stephen W. Ramsden">Stephen Ramsden</a> | </li> </ul>  <h2>Recommended External Links</h2> <ul> <li><strong>Night Sky </strong> | <a href="http://www.twanight.org/" title="The World At Night (TWAN)" target="_blank">The World At Night (TWAN)</a> | <a href="http://www.darksky.org/" title="International Dark-Sky Association" target="_blank">International Dark-Sky Association</a> | <a href="http://www.starrynightlights.com/" title="Starry Night Lights" target="_blank">Starry Night Lights</a> | </li> <li><strong>Science and Reason </strong> | <a href="http://www.centerforinquiry.net/" title="Center for Inquiry" target="_blank">Center for Inquiry</a> | <a href="http://www.csicop.org/" title="Committee for Skeptical Inquiry" target="_blank">Committee for Skeptical Inquiry</a> | <a href="http://www.randi.org/site/" title="James Randi Educational Foundation">James Randi Educational Foundation</a> | <a href="http://www.forgoodreason.org/about/" title="For Good Reason" target="_blank">For Good Reason</a> | <a href="http://richarddawkins.net/" title="Richard Dawkins Foundation" target="_blank">Richard Dawkins Foundation</a> | <a href="http://scienceblogs.com/pharyngula/" title="Pharyngula" target="_blank">Pharyngula</a> | <a href="http://www.badastronomy.com/index.html" title="Bad Astronomy" target="_blank">Bad Astronomy</a> | </li> </ul>  <hr class="blue" /> <h2>Other Recommended Links</h2> <p align="center"> <a href="http://www.MrEclipse.com/MrEclipse.html" target="_blank"> <img src="../images/MrEclipseBanner-s.jpg" alt="MrEclipse.com" /> <br/>Visit our sister web site <em>MrEclipse.com</em> for more on eclipse photography! <br/><em>(click to visit MrEclipse.com)</em></a> </p> <p align="center"> <a href="http://www.EclipseWise.com/index.html" target="_blank"> <img src="../images/EclipseWiseBanner-s.jpg" alt="EclipseWise.com" /> <br/>Visit <em>EclipseWise.com</em> for Solar and Lunar Eclipse Predictions <br/><em>(click to visit EclipseWise.com)</em></a> </p> <p align="center"> <a href="https://astrobackyard.com/" target="_blank"> <img src="images/AstroBackyard.jpg" alt="AstroBackyardBanner" width=35%/> <br/>Visit <em>AstroBackyard.com</em> for Astrophotography Tips and Tutorials <br/><em>(click to visit AstroBackyard.com)</em></a> </p> </div> </div>   <div id="footer"> <p> | <a href="../index.html" title="Home">Home</a> | <a href="http://www.astropixels.com/blog/" title="Blog">Blog</a> | <a href="../main/recent.html" title="Recent Images">Recent Images</a> | <a href="../main/photoindex.html" title="Photo Index">Photo Index</a> | <a href="../bifrost/bifrostindex.html" title="Bifrost Index">Bifrost</a> | <a href="../ephemeris/ephemeris.html" title="Ephemeris">Ephemeris</a> | <a href="../main/resources.html" title="Resources">Resources</a> | <a href="../main/copyright.html" title="Copyright">Copyright</a> | <a href="../main/licensing.html" title="Image Licensing">Image Licensing</a> | <a href="../main/contact.html" title="Contact">Contact</a> | </p>  <div id="smallfooter"> <p> All photographs, text and web pages are © Copyright 1970 - 2023 by Fred Espenak, unless otherwise noted. All rights reserved. They may not be reproduced, published, copied or transmitted in any form, including electronically on the Internet, without written permission of the author. Note that all images are digitally watermarked. </p> <p> Last Updated: 2021 Apr 08 </p> </div>  </div>  </div> </body> </html>