The Observer’s Handbook contains a number of recommended links to additional astronomy resources. This page includes live hyperlinks that will allow you to access these resources more easily. Happy exploring!
- Access the websites listed in Selected Internet Resources on page 15 of the 2024 Observer’s Handbook.
- Access all the websites listed in the 2024 Observer’s Handbook, listed by page.
- Access the websites listed in in the body of the 2024 USA Edition Observer’s Handbook where they differ from the Standard Edition.
Selected Internet Resources
From Page 15 of the 2024 Observer’s Handbook
| aavso.org | American Association of Variable Star Observers (p. 296) |
| asc-csa.gc.ca | Canadian Space Agency |
| astronomerswithoutborders.org | Astronomers Without Borders |
| astronomy.com | Astronomy Magazine (p. 10) |
| astrosociety.org | Astronomical Society of the Pacific (p. 18) |
| badastronomy.substack.com/welcome | Phil Plait’s “Bad Astronomy” site |
| cbat.eps.harvard.edu/index.html | International Astronomical Union Central Bureau (p. 7); see also iau.org |
| cleardarksky.com/csk | Clear Sky Chart, by Attilla Danko (p. 78) |
| fireball.amsmeteors.org/members/imo/report_intro/ | American Meteor Society (p. 256) |
| heavens-above.com | Satellite tracking information, including ISS (p. 38) |
| hubblesite.org | Hubble Heritage Site, access to HST images |
| images.nasa.gov | NASA Image and Video Library |
| imo.net | International Meteor Organization (p. 254) |
| jpl.nasa.gov | Jet Propulsion Laboratory, activities for adults and kids |
| MrEclipse.com | Eclipse photography and safety (p. 143) |
| nasa.gov/international-space-station | NASA site giving current information on ISS |
| nasa.gov/space-shuttle | Archive of Space Shuttle information |
| ned.ipac.caltech.edu | NASA/IPAC Extragalactic Database (p. 332) |
| occultations.org | International Occultation Timing Association (p. 162) |
| planetary.org | Planetary Society—contains over 2000 pages of information about space exploration |
| rasc.ca | The Royal Astronomical Society of Canada (p. 7) |
| rasc.ca/handbook | Observer’s Handbook website (inside front cover |
| saguaroastro.org | Saguaro Astronomy Club, includes observing list database (p. 87) |
| seds.org | Students for the Exploration and Development of Space |
| simbad.u-strasbg.fr/simbad | SIMBAD astronomical database |
| skyandtelescope.org | Sky&Telescope and Sky Publishing (p. 10) |
| skynews.ca | SkyNews-Canada’s astronomy magazine published by the RASC (p. 10) |
| spaceflight.nasa.gov | NASA space flight site giving current information on ISS activities and human space flight |
| stsci.edu | Space Telescope Science Institute; access to Digitized Sky Survey |
| syfy.com/tags/bad-astronomy | Phil Plait’s "Bad Astronomy" site |
| ui.adsabs.harvard.edu | NASA Astrophysics Data System (ADS); bibliographic database, access to millions of articles |
| vizier.u-strasbg.fr/viz-bin/VizieR | VizieR service; access to most astronomical catalogues |
Web Resources
Page-by-Page Listing of Web Resources, other than page 15 of the 2024 Observer’s Handbook
| wis-tns.weizmann.ac.il//user/register | p. 7 | Transient Name Server |
| minorplanetcenter.net/iau/info/TechInfo.html | p. 7 | Minor Planet Reports |
| fireflybooks.com | p. 10 | Firefly Books |
| astrosociety.org | p. 10 | Publications of the Astronomical Society of the Pacific |
| link.springer.com | p. 10 | Springer |
| iopscience.iop.org | p. 10 | Institute of Physics |
| deep-sky-atlas.com | p. 10 | interstellarum Deep Sky Atlas |
| apple.com/itunes | p. 10 | Apple iTunes |
| microsoft.com/en-us/store/apps/windows | p. 10 | Windows Store |
| market.android.com | p. 10 | Android Market |
| portico.org/stable?au=pgg3ztf87mt | p. 10 | Andrew Fraknoi’s article in Astronomy Education Review |
| darkskyproject.co.nz | p. 11 | Dark Sky Project—Lake Tekapo, New Zealand |
| sidingspring.com.au | p. 11 | Australian Astronomical Observatory—Siding Spring, Australia |
| rsaa.anu.edu.au/observatories/mount-stromlo-observatory | p. 11 | Mount Stromlo Observatory—Canberra, Australia |
| perthobservatory.com.au | p. 11 | Perth Observatory—Bickley, Australia |
| sarao.ac.za | p. 11 | MeerKAT Observatory—Carnarvon, South Africa |
| mpifr-bonn.mpg.de/effelsberg | p. 11 | Effelsberg Radio Telescope—Effelsberg, Germany |
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p. 11 | Greenwich Observatory—Greenwich, England |
| jodrellbank.net | p. 11 | Lovell Radio Telescope—Jodrell Bank, England |
| armagh.space | p. 11 | Armagh Observatory—Armagh, Northern Ireland |
| birrcastle.com/telescope-astronomy | p. 11 | “Leviathan” Great Telescope—Birr, Ireland |
| ing.iac.es | p. 11 | Isaac Newton Telescope—La Palma, Canary Islands |
| https://www.stjohnsrasc.ca/upcoming-events/ upcoming-events.shtml |
p. 11 | Butterpot Star Party—Butter Pot Prov. Park, Newfoundland |
| observatory.smu.ca | p. 11 | Burke-Gaffney Observatory—Halifax, Nova Scotia |
| novaeast.rasc.ca 43-nova-east-star-party |
p. 11 | Nova East—Smileys Provincial Park, Nova Scotia |
| halifax.rasc.ca/index.php/observing/ 14-st-croix-observatory |
p. 11 | St. Croix Observatory—St. Croix, Nova Scotia |
| deepskyeye.com | p. 11 | Deep Sky Eye Observatory—Quinan, Nova Scotia |
| eso.org/public/teles-instr/paranal-observatory | p. 11 | Paranal Observatory (ESO)—Cerro Paranal, Chile |
| lco.cl | p. 11 | Las Campanas Observatory—Cerro Las Campanas, Chile |
| eso.org/sci/facilities/lasilla.html | p. 11 | La Silla Observatory—Cerro La Silla, Chile |
| gemini.edu | p. 11 | Gemini South Observatory—Cerro Pachon, Chile |
| noirlab.edu/public/programs/ctio | p. 11 | Cerro Tololo Inter-American Observatory—Cerro Tololo, Chile |
| omm-astro.ca | p. 11 | Mont Mégantic Observatory—Mont Mégantic, Québec |
| stellafane.com | p. 11 | Stellafane—Springfield, Vermont |
| astronomielaval.org | p. 11 | Laval Observatory—Laval, Québec |
| astrosurf.com/cdadfs/cafta.html | p. 12 | CAFTA—St-Timothée, Québec |
| rascmontreal.org/titan/about-us-3/ bellevue-observatory |
p. 12 | Bellevue Observatory—Montréal, Québec |
| richmondhill.ca/en/david-dunlap-observatory.aspx | p. 12 | David Dunlap Observatory—Richmond Hill, Ontario |
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p. 12 | Green Bank Telescope—Green Bank, West Virginia |
| hamiltonrasc.ca/club-observatory/ | p. 12 | Hamilton Centre Observatory—Waterdown, Ontario |
| pitt.edu/~aobsvtry | p. 12 | Allegheny Observatory—Pittsburgh, Pennsylvania |
| rascto.ca/content/ ec-carr-astronomical-observatory-cao |
p. 12 | Carr Astronomical Observatory—Collingwood, Ontario |
| nyaa.ca/starfest.htm | p. 12 | Starfest—Mount Forest, Ontario |
| sno.phy.queensu.ca | p. 12 | Sudbury Neutrino Observatory—Creighton, Ontario |
| cronyn.uwo.ca | p. 12 | Hume Cronyn Memorial Observatory—London, Ontario |
| www.scas.org/winter-star-party/index.cfm | p. 12 | Winter Star Party—Camp Wesumkee, Florida |
| manitoulinecopark.com/darksky | p. 12 | Manitoulin Star Party—Gordon’s Park, Ontario |
| rascwindsor.com/pages/ hallam-observatory.php |
p. 12 | Hallam Observatory—Comber, Ontario |
| greatlakesstargaze.com | p. 12 | Great Lakes Star Gaze—Gladwin, Michigan |
| bootlegastronomy.com | p. 12 | Bootleg Star Party—Green River State Wildlife Area, Illinois |
| macalester.edu/physics/teachingresearch/ facilities/observatory |
p. 12 | Macalester Observatory—St. Paul, Minnesota |
| texasstarparty.org | p. 12 | Texas Star Party—Fort Davis, Texas |
| mcdonaldobservatory.org | p. 12 | McDonald Observatory—Fort Davis, Texas |
| regina.rasc.ca/ observatory-tours | p. 12 | Kalium Observatory—Regina, Saskatchewan |
| apo.nmsu.edu | p. 12 | Apache Point Observatory—Sunspot, New Mexico |
| artsandscience.usask.ca/physics/facilities/ observatory.php |
p. 12 | Sleaford Observatory—Saskatoon, Saskatchewan |
| public.nrao.edu/telescopes/vla | p. 12 | Very Large Array—Socorro, New Mexico |
| sssp.saskatoon.rasc.ca | p. 12 | Saskatchewan Summer Star Party—Cypress Hills Park, Sask. |
| skycenter.arizona.edu | p. 12 | Steward Observatory—Tucson, Arizona |
| tinyurl.com/2vsnt3j7 | p. 13 | Fred Lawrence Whipple Observatory—Amado, Arizona |
| visitkittpeak.org | p. 13 | Kitt Peak National Observatory—Tucson, Arizona |
| lowell.edu | p. 13 | Lowell Observatory—Flagstaff, Arizona |
| calgary.rasc.ca/wp/?page_id=2018 | p. 13 | Alberta Star Party—Caroline, Alberta |
| calgary.rasc.ca/tourrequest.htm | p. 13 | Wilson Coulee Observatory—Okotoks, Alberta |
| astro.caltech.edu/palomar | p. 13 | Palomar Observatory—San Diego, California |
| jasperdarksky.travel | p. 13 | Jasper Dark-Sky Festival—Jasper, Alberta |
| mtwilson.edu | p. 13 | Mt. Wilson Observatory—Pasadena, California |
| tmspa.com | p. 13 | Table Mountain Star Party—Eden Valley, Oroville, Washington |
| tinyurl.com/yyzaal67 | p. 13 | Dominion Radio Astrophysical Observatory—Penticton, B.C. |
| mksp.ca | p. 13 | Mount Kobau Star Party—Osoyoos, British Columbia |
| oregonstarparty.org | p. 13 | Oregon Star Party—Ochoco National Forest, Oregon |
| parks.state.wa.us/512/Goldendale-Observatory | p. 13 | Goldendale Observatory—Goldendale, Washington |
| pmo-sun.uoregon.edu | p. 13 | Pine Mountain Observatory—Pine Mountain, Oregon |
| pgrasc.org/wp | p. 13 | Prince George Centre Observatory—Prince George, British Columbia |
| spacecentre.ca/gordon-southam-observatory | p. 13 | Gordon Southam Observatory—Vancouver, B.C. |
| centreoftheuniverse.org/ | p. 13 | Dominion Astrophysical Observatory—Victoria, British Columbia |
| starfinders.ca/island-star-party | p. 13 | Cowichan Valley Star Party—Bright Angel Regional Park, B.C. |
| yukonastronomy.com | p. 13 | Yukon Star Party—Takhini Hot Springs, Whitehorse, Yukon |
| eaobservatory.org/jcmt/ | p. 13 | James Clerk Maxwell Telescope—Mauna Kea, Hawaii |
| cfht.hawaii.edu | p. 13 | Canada-France-Hawaii Telescope—Mauna Kea, Hawaii |
| gemini.edu/pio/ | p. 13 | Gemini North—Mauna Kea, Hawaii |
| colorado.edu/fiske | p. 13 | Fiske Planetarium—Boulder, Colorado |
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p. 13 | TELUS Spark—Calgary, Alberta |
| adlerplanetarium.org | p. 13 | Adler Planetarium—Chicago, Illinois |
| starhop.com | p. 14 | McAuliffe-Shepard Discovery Center—Concord, New Hampshire |
| telusworldofscienceedmonton.ca | p. 14 | TELUS World of Science—Edmonton, Alberta |
| astronomynovascotia.ca/index.php/planetarium | p. 14 | Halifax Planetarium—Halifax, Nova Scotia |
| physics.mcmaster.ca/planetarium | p. 14 | W.J. McCallion Planetarium—Hamilton, Ontario |
| hmns.org/burke-baker-planetarium/ | p. 14 | Burke Baker Planetarium—Houston |
| griffithobservatory.org/exhibits/ samuel-oschin-planetarium |
p. 14 | Samuel Oschin Planetarium—Los Angeles |
| www.astrolab.qc.ca/activite/ visite-de-jour-astrolab-observatoire |
p. 14 | ASTROLab du Mont Mégantic—Mont Mégantic, Québec |
| espacepourlavie.ca/en/access/ rio-tinto-alcan-planetarium |
p. 14 | Planétarium de Montréal—Montréal, Québec |
| mysticseaport.org/explore/planetarium | p. 14 | Treworgy Planetarium—Mystic |
| amnh.org/our-research/hayden-planetarium | p. 14 | Hayden Planetarium—New York |
| omsi.edu/planetarium | p. 14 | Harry C. Kendall Planetarium—Portland |
| slsc.org | p. 14 | James S. McDonnell Planetarium—St. Louis |
| laurentian.ca/planetarium | p. 14 | Doran Planetarium—Sudbury |
| www.ontariosciencecentre.ca/what-s-on | p. 14 | Ontario Science Centre—Toronto |
| spacecentre.ca | p. 14 | MacMillan Planetarium—Vancouver |
| si.edu/theaters/planetarium | p. 14 | Albert Einstein Planetarium—Washington, D.C. |
| northernlightscentre.ca | p. 14 | Northern Lights—Watson Lake, Yukon
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| sfsciencecenter.org/planetarium-shows | p. 14 | Aldrin Planetarium—West Palm Beach |
| manitobamuseum.ca/main/visit/planetarium/ | p. 14 | Manitoba Planetarium—Winnipeg |
| jpl.nasa.gov/edu/teach/activity/make-a-crater | p. 17 | Making Moon Craters |
| www.rasc.ca/world-asterism-project | p. 17 | World Asterism Project |
| www.iop.org/explore-physics/at-home/ episode-11-toilet-roll-solar-system |
p. 18 | Toilet Roll Solar System |
| www.youtube.com/watch?v=yLgwEy6ANP0 | p. 18 | Make a Comet |
| www.rasc.ca/classroom-help | p. 18 | Classroom Help for Teachers |
| w.rasc.ca/schoolclubs | p. 18 | School Clubs |
| www.rasc.ca/skyways | p. 18 | Skyways, Astronomy Handbook for Teachers |
| secure.rasc.ca/store/category/rasc-publications | p. 18 | RASC Publications |
| www.discovertheuniverse.ca | p. 18 | Discover the Universe Training Programs |
| astroedu.iau.org | p. 18 | AstroEDU – Educational site from the IAU |
| asc-www.asc-csa.gc.ca/eng/youth-educators | p. 18 | Canadian Space Agency—Resources for the Young |
| www.nativeskywatchers.com | p. 18 | Native Skywatchers |
| aavso.org/greek-letters | p. 19 | Greek letters spelling variations |
| ssd.jpl.nasa.gov | p. 22 | Minor planet orbital and physical elements |
| ssd.jpl.nasa.gov/sats | p. 24 | Satellite orbital and physical elements |
| planetarynames.wr.usgs.gov/Page/Planets | p. 25 | Names of the satellites |
| skyandtelescope.org/observing/ the-martian-moons-in-200708 |
p. 25 | Martian moons locator |
| einstein.stanford.edu | p. 28 | CODATA physical constants |
| physics.nist.gov/cuu/Constants | p. 29 | CODATA physical constants |
| iers.org/IERS/EN/Publications/Bulletins/bulletins.html | p. 44 | International Earth Rotation and Reference Systems Service (IERS) |
| webexhibits.org/daylightsaving | p. 45 | Daylight Saving Time information |
| nrc-nrc.canada.ca/en/node/1325 | p. 45 | Canadian time zones |
| tinyurl.com/ybfjkjtz | p. 47 | Internet time service |
| en.wikipedia.org/wiki/Julian_day | p. 47 | Julian Date |
| unihedron.com | p. 54 | Unihedron Sky Quality Meter |
| clarkvision.com/visastro | p. 57 | Visual Astronomy |
| bbastrodesigns.com/visual.html | p. 57 | Visual Astronomy |
| skyandtelescope.org/astronomy-resources/ spectacles-for-spectacular-skies |
p. 59 | Spectacles for Spectacular Skies |
| www.rasc.ca/lpa/sqm-faq | p. 68 | Sky Quality Measurement Project |
| bogan.ca/astro/optics/maglimit.html | p. 68 | LTM – LVM relationship |
| astrobackyard.com/polar-alignment | p. 71 | Polar alignment |
| eclipsophile.com | p. 73 | Weather forecasts and maps |
| wunderground.com/maps/satellite/infrared | p. 74 | Infrared satellite images |
| weather.gc.ca/index_e.html?layers=,radar | p. 75 | RADAR loops for Canada |
| wunderground.com/radar | p. 75 | U.S. Interactive weather maps |
| weather.gc.ca/astro/clds_vis_e.html | p. 75 | Cloud forecast |
| nrlmry.navy.mil// aerosol#currentaerosolmodeling |
p. 76 | Aerosol envelope forecasts |
| weather.gc.ca/astro/ transparence_e.html |
p. 76 | Transparency forecasts |
| weather.gc.ca/astro/seeing_e.html | p. 77 | Seeing forecast |
| weather.gc.ca/astro | p. 78 | Environment Canada website |
| weatherweb.net/wxwebastronomy.php | p. 78 | UK forecast |
| philhart.com/content/cloud-forecasts-astronomers | p. 78 | Australian forecast |
| www.accuweather.com | p. 78 | USA forecasts |
| skyandtelescope.com/astronomy-blogs/ how-many-stars-night-sky-09172014 |
p. 81 | RASC Light-Pollution Abatement Committee |
| rasc.ca/sites/default/files/RASC-CGOL_2020_0.PDF | p. 82 | CGOL – Canadian Guidelines for Outdoor Lighting |
| darkskyparks.org/dark-skies-and-nature-conservation | p. 82 | Dark-Sky Parks |
| rasc.ca/lpa/dark-sky-sites | p. 84 | Canadian Dark-Sky Parks |
| rasc.ca/lpa—RASC LPA home page | p. 84 | RASC LPA Home page |
| rasc.ca/lpa/resources | p. 84 | RASC LPA resources |
| rasc.ca/lpa/application-and-cgol | p. 84 | RASC Application for Dark-Sky designation |
| rasc.ca/sites/default/files/obsform.pdf | p. 86 | Sample observing form |
| theawakenedeye.com/pages/the-way-of-nen | p. 90 | The Awakened Eye |
| www.youtube.com/shorts/CEmHs_s9CwE | p. 90 | Sketching the Moon |
| rasc.ca/moon-resources#:~:tex | p. 90 | Moon Reources |
| rasc.ca/astrosketchers-group | p. 90 | RASC Astrosketchers Group |
| www.rasc.ca/carol-lakomiaks-astrosketching-tutorials-moon | p. 90 | Carol Lakomiak’s lunar tutorial |
| www.rasc.ca/carol-lakomiaks-astrosketching- tutorials-solar-and-dso-sketching |
p. 90 | Carol Lakomiak’s solar tutorial |
| www.rasc.ca/sketch-galleries | p. 90 | RASC Sketch Galleries |
| www.rasc.ca/isabel-williamson-lunar-observing-program | p. 90 | Isabel Williamson Lunar Observing Program |
| www.astroleague.org/content/sketching-resources | p. 90 | Astronomical League Sketching Resources |
| skynews.ca/become-a-better-observer-sketch/ | p. 90 | Mark Bratton on Sketching |
| www.perezmedia.net/beltofvenus/archives/000567.html | p. 90 | Sketching Resources |
| astronomy.com/magazine/erika-rix | p. 90 | Erika Rix list of Sketching Articles |
| sites.google.com/site/astropipp | p. 92 | PIPP Software |
| www.irfanview.com | p. 92 | IrFanView |
| gimp.org | p. 93 | GIMP |
| adobe.com | p. 93 | Adobe Photoshop |
| diffractionlimited.com/product/maxim-dl | p. 93 | MaxIm DL |
| amazingsky.smugmug.com/NightscapesBook | p. 93 | Alan Dyer’sHow To Photograph and Process Nightscapes and Timelapses |
| www.cloudynights.com | p. 93 | Cloudy Nights online imaging forums |
| www.autostakkert.com | p. 93 | Autostakkert image-stacking and processing freeware |
| astronomie.be/registax | p. 93 | RegiStax image-stacking and processing freeware |
| deepskystacker.free.fr | p. 93 | DeepSkyStacker image-stacking and registration freeware |
| astropix.com | p. 93 | Catching the Light, astrophotography page |
| lex.sk.ca/astro | p. 93 | Tenho Tuomi’s Observatory |
| www.rasc.ca/astro-imaging-certificate | p. 93 | Astroimaging Certificate Program |
| rascastroimaging.zenfolio.com/imagegalleries | p. 93 | Astroimaging Galleries |
| www.sharplesscatalog.com/sharpless.aspx | p. 93 | Sharplesss Catalog for narrowband |
| ssd.jpl.nasa.gov/horizons | p. 95 | JPL Horizons ephemerides |
| EclipseWise.com | p. 125 | Solar and lunar eclipse figures |
| www.EclipseWise.com/lunar/LEsaros/LEsaros113.html | p. 126 | Saros 113 details |
| www.EclipseWise.com/lunar/LEprime/2001-2100/ LE2024Mar25Nprime.html |
p. 126 | Penumbral lunar eclipse of 2024 Mar. 25 details |
| www.EclipseWise.com/solar/SEcirc/2001-2100/SE2024Apr08Tcirc.html | p. 130 | 2024 Apr. 08 Total Solar Eclipse circular |
| www.EclipseWise.com /solar/SEgmapx/2001-2100/SE2024Apr08Tgmapx.html | p. 130 | 2024 Apr. 08 Total Solar Eclipse Google map |
| www.EclipseWise.com/solar/SEsaros// SEsaros139.html |
p. 130 | Saros 139 details |
| www.EclipseWise.com/solar/SEprime/2001-2100/SE2024Apr08Tprime.html | p. 130 | 2024 Apr. 08 Total Solar Eclipse additional information |
| www.EclipseWise.com/lunar/LEsaros/LEsaros118.html | p. 138 | Saros 118 details |
| www.eclipsewise.com/lunar/LEprime/2001-2100/LE2024Sep18Pprime.html | p. 132 | Partial lunar eclipse of 2024 September 18 details |
| www.EclipseWise.com/solar/SEcirc/2001-2100/SE2024Oct02Acirc.html | p. 138 | 2024 Oct. 2 Annular Solar Eclipse |
| www.EclipseWise.com/solar/SEgmapx/2001-2100/SE2024Oct02Agmapx.html | p. 138 | 2024 Oct. 2 Annular Solar Eclipse Google map |
| www.EclipseWise.com/solar/SEsaros/ SEsaros144.html |
p. 138 | Saros 144 details |
| www.EclipseWise.com/solar/SEprime/2001-2100/SE2024Oct02Aprime.html | p. 138 | Annular Solar Eclipse of 2024 Oct. 2 circular |
| www.EclipseWise.com/solar/JSEX/JSEX-index.html | p. 142 | Javascript Solar Eclipse Explorer |
| www.EclipseWise.com/lunar/JLEX/JLEX-index.html | p. 142 | Javascript Lunar Eclipse Explorer |
| www.eclipsewise.com/oh/ec2025.html | p. 143 | Details on 2025 eclipses |
| MrEclipse.com/MrEclipse.html | p. 143 | Eclipse photography and observing tips |
| wms.lroc.asu.edu/lroc | p. 149 | Lunar Reconnaissance Orbiter mosaic |
| rasc.ca/supplements | p. 150 | Blank chart for Moonrise/Moonset Correction |
| rasc.ca/isabel-williamson-lunar-observing-program | p. 161 | Lunar-observing certificate program |
| rasc.ca/observing/explore-the-moon-observing-certificate | p. 161 | Explore the Moon Certificate program |
| rasc.ca/sites/default/files/IMG_3942.PNG | p. 161 | Lunar features named for women |
| poyntsource.com/IOTAmanual/Preview.htm | p. 162 | IOTA Manual |
| occultations.org | p. 162 | International Occultation Timing Association |
| occultations.org/about-us/iota-membership | p. 163 | IOTA membership information |
| occultations.org/community/international-iota-sections | p. 163 | International IOTA Sections |
| natural-resources.canada.ca/maps-tools-and-publications/ maps/topographic-maps/10995 |
p. 163 | Canadian topographical maps |
| nationalmap.gov/ustopo | p. 163 | USGS maps |
| occultations.org/observing/reporting-observations | p. 163 | Reporting procedures |
| occultations.org/publications/rasc/2024/nam24grz.htm | p. 163 | Graze maps |
| en.wikipedia.org/wiki/Solar_cycle_25 | p. 184 | Solar Cycle 25 |
| aavso.org/solar | p. 184 | AAVSO solar programs |
| almanac.com/content/ solar-cycle-updates-and-predictions |
p. 184 | Solar Cycle updates and predictions |
| alpineastro.com/collections/ solar-observation |
p. 184 | Alpine Astronomical Solar Observation site |
| alpo-astronomy.org/solarblog | p. 184 | ALPO solar astronomy site |
| atoptics.co.uk/blog/tiltingsun-software/ | p. 184 | Solar-tilt software site |
| britastro.org | p. 184 | BAA solar site |
| halpha.nso.edu | p. 184 | H-Alpha Network Monitor |
| parkersolarprobe.jhuapl.edu | p. 184 | Parker Solar Probe |
| oneminuteastronomer.com/999/choose-solar-filter | p. 184 | Choosing a solar filter |
| petermeadows.com/html/stonyhurst.html | p. 184 | Stonyhurst disks |
| radiojove.gsfc.nasa.gov | p. 184 | Solar and Planetary Astronomy for Schools |
| sdo.gsfc.nasa.gov | p. 184 | Solar Dynamics Observatory site |
| sohowww.nascom.nasa.gov | p. 184 | Solar and Heliospheric Observatory |
| solarham.net | p. 184 | Solar page for Ham Radio VE3EN |
| spaceweatherwoman.com | p. 184 | Dr. Tamitha Skov—Heliosphere Physicist |
| stce.be | p. 184 | Solar-Terrestrial Centre of Excellence—Belgium |
| swpc.noaa.gov | p. 184 | Space Weather Prediction Center |
| Space Weather Live—Real-time auroral and solar activity | p. 184 | Space Weather—Real-time auroral and solar activity |
| https://atoptics.co.uk/blog/3rd-and-4th-order-rainbows/ | p. 193 | Higher-ordered rainbows |
| atoptics.co.uk | p. 200 | Atmospheric Optics |
| meteoros.de/haloe.htm | p. 200 | All about halos |
| philiplaven.com/index1.html | p. 200 | Water-drop optics |
| skyandtelescope.org/astronomy-resources/ caring-for-your-optics |
p. 208 | Cleaning optics S&T article |
| wikihow.com/Observe-Mars | p. 209 | Sketching Mars |
| jupos.privat.t-online.de | p. 221 | Great Red Spot transit calculator |
| skyandtelescope.com/observing/ objects/planets/3304091.html |
p. 221 | Great Red Spot transit calculator |
| stellarium.org | p. 233 | Saturn’s satellites (MacOS, Linux, and Windows) |
| iau.org/public/themes/pluto/ | p. 237 | IAU Pluto decision |
| minorplanetcenter.net/iau/ MPEph/MPEph.html |
p. 240 | Asteroid orbital elements |
| occultations.org/documents/ OccultationObservingPrimer.pdf. |
p. 243 | Occultation Observing Primer |
| https://www.asteroidoccultation.com/observations/ DriftScan/Index.htm |
p. 243 | Drift/Scan method |
| arxiv.org/abs/2307.13530 | p. 244 | Occultations by the outer planets through to 2050 |
| occultations.org/publications/rasc/2024/ nam24Planetoccs.htm |
p. 244 | Occultations by planets and their moons in 2024 |
| occultations.org/publications/rasc/2024/ nam24MBoccs.htm |
p. 246 | Main-belt Asteroidal occultations 2024 |
| www.asteroidoccultation.com | p. 246 | Steve Preston’s asteroidal occultation website |
| www.poyntsource.com/New/ RASC_Events.htm |
p. 246 | Interactive maps |
| www.hristopavlov.net/OccultWatcher/ publish.htm |
p. 246 | Occult Watcher software |
| occultations.org/ publications/rasc/2023/ ACM2023.htm |
p. 246 | 2023 Asteroids, Comets, and Meteors Conference |
| occultations.org/publications/rasc/2024/ nam24NEAoccs.htm |
p. 248 | Near-Earth Asteroidal occultations |
| occultations.org/publications/rasc/2023/ 2312PHAsNext1000years.pdf |
p. 248 | Occultations by hazardous MBAs |
| occultations.org/publications/rasc/2024/ nam24MBspecialoccs.htm |
p. 248 | Occultations by Special MBAs in 2024 |
| occultations.org/publications/rasc/2024/ nam24Trojanoccs.htm |
p. 250 | Occultations by Trojan Asteroids |
| occultations.org/publications/rasc/2023/ 2223LucyFutureOccs.pdf |
p. 250 | SwRI 2024 Lucy campaign |
| lesia.obspm.fr/lucky-star/ predictions.php |
p. 250 | Lucky Star Project 2024 campaign |
| occultations.org/publications/rasc/2023/ 1330_Dunham.pdf |
p. 251 | Occultation by NEA Tantalus Observed on 2023 May 7 |
| www.ta3.sk/IAUC22DB/MDC2007/Dokumenty /shower_nomenclature.php |
p. 252 | Meteor shower naming conventions |
| www.capitalastronomers.org/SD_year/2022/StarDust_2022_05.pdf | p. 252 | NCA’s May 2022 issue of Stardust |
| aquarid.physics.uwo.ca/ | p. 255 | Fireball observations for North America |
| globalmeteornetwork.org | p. 255 | Global Meteor Reports |
| fireball.amsmeteors.org/members/ imo/report_intro |
p. 256 | North American Fireball Reports |
| fireballs.imo.net/members/ imo/report_intro |
p. 256 | Global Fireball Reports |
| globalmeteornetwork.org | p. 256 | Global Meteor Network |
| ualberta.ca/science/meteorites/index.html | p. 257 | University of Alberta meteorite website |
| meteoritical.org/meteorites/meteorite-names | p. 257 | Nomenclature Committee of the Meteoritical Society |
| lpi.usra.edu/meteor | p. 257 | Meteoritical Bulletin database |
| sites.wustl.edu/meteoritesite/ lunar-meteorite-information |
p. 258 | Lunar meteorites |
| curator.jsc.nasa.gov/antmet/ mmc/index.cfm |
p. 258 | Martian meteorites |
| imca.cc/mars/ martian-meteorites-list.htm |
p. 258 | Martian meteorites |
| meteoritical.org/meteorites/meteorite-names | p. 259 | Meteorite naming conventions |
| passc.net/EarthImpactDatabase | p. 260 | Meteorite crater database |
| minorplanetcenter.net/iau/Ephemerides/Comets | p. 264 | Comet ephemerides |
| icq.eps.harvard.edu/CometMags.html | p. 264 | Comet magnitudes |
| minorplanetcenter.net/iau/MPEph/MPEph.html | p. 264 | Comet orbital elements |
| minorplanetcenter.net/iau/lists/CometResolution | p. 267 | Comet designation convention |
| cbat.eps.harvard.edu/cometnameg | p. 267 | Comet naming convention |
| phys.unm.edu/~tw/spectra/mk.html | p. 282 | Spectra classification |
| ned.ipac.caltech.edu/level5/Gray/frames.html | p. 282 | Richard Gray’s Digital Spectral Classification Atlas |
| appstate.edu/~grayro/MK/winmk.htm | p. 282 | Digital Spectral Comparisons (Windows) |
| appstate.edu/~grayro/spectrum/ftp/download.html | p. 282 | Digital Spectral Comparisons (Linux) |
| rspec-astro.com/star-analyser/ | p. 282 | Star Analyser |
| astrosurf.com/buil/index.html | p. 282 | Spectroscopy examples |
| rspec-astro.com/sample-projects/ | p. 282 | Spectroscopy examples |
| www.aavso.org/spectroscopy-observing-section | p. 282 | AAVSO Spectroscopy section |
| www.aavso.org/aavso-alert-notices-for-observing- campaigns-and-discoveries |
p. 282 | AAVSO Observing Campaigns |
| recons.org | p. 285 | RECONS database |
| jdso.org | p. 289 | Electronic journal for double-star observing |
| rasc.ca/double-stars | p. 289 | RASC Double Stars Observing Program |
| tdc-www.harvard.edu/catalogs/sao.html | p. 294 | SAO Star Catalog |
| aavso.org/vsx | p. 297 | Eclipsing binaries database |
| rr-lyr.irap.omp.eu/dbrr/index.php | p. 297 | RR Lyr Database |
| www.aavso.org/vstar | p. 301 | AAVSO Variable-Star Plotter |
| snews2.org | p. 304 | Supernova Early Warning System |
| rasc.ca/certificate-programs | p. 306 | RASC Certificate Programs |
| rasc.ca/astro-imaging-certificate | p. 306 | RASC Astroimaging Certificate Program |
| clarkvision.com/ | p. 307 | Star size and surface brightness |
| tinyurl.com/3uaulcb/ | p. 310 | Cluster size |
| scyon.univie.ac.at/links.html | p. 311 | Open Clusters lists |
| physics.mcmaster.ca/~harris/mwgc.dat | p. 310 | Globular cluster data |
| gardenastronomer.com/2021/05/29/ messier-92-a-chandelier-of-stars |
p. 310 | M92 as a chandelier |
| rasc.ca/handbook/supplements | p. 319 | Dark nebulae information |
| rasc.ca/david-h-levy-logbooks | p. 322 | David Levy Logbooks |
| nedipac.caltech.edu/level5 | p. 332 | NED compilation |
| https://github.com/ccera-astro | p. 338 | Canadian Centre for Experimental Radio Astronomy |
| radio-astronomy.org | p. 338 | Society of Amateur Radio Astronomers |
Web Resources for the USA Edition
Listing of Web Resources, where they differ, for the 2024 USA Edition of the Observer’s Handbook
| acadianightskyfestival.org | p. 11 | Acadia Night Sky Festival—Bar Harbor, Maine |
| fi.edu/en/exhibits-and-experiences/fels-planetarium | p. 11 | Franklin Institute Bloom Observatory—Philadelphia, Pennsylvania |
| astrohbg.org | p. 12 | Naylor Observatory—Lewisberry/Harrisburg, Pennsylvania |
| www.facebook.com/CherrySpringsStarParty | p. 12 | Cherry Springs Star Party—Cherry Springs S.P., Coudersport, PA |
| chaosastro.org/starparty | p. 12 | Staunton River Star Party—Halifax County, Virginia |
| ahsp.org | p. 12 | Almost Heaven Star Party—Spruce Knob, West Virginia |
| greenbankstarquest.org | p. 12 | Green Bank Star Quest—Green Bank, West Virginia |
| pitt.edu/~aobsvtry | p. 12 | Allegheny Observatory—Pittsburgh, Pennsylvania |
| scas.org/winter-star-party | p. 12 | Winter Star Party Winter Star Party—Camp Wesumkee, Florida |
| mvas.org/mvas_wp | p. 12 | Apollo Rendezvous—John Bryan State Park, Ohio |
| rainwaterobservatory.org | p. 12 | Midsouth Star Gaze—French Camp, Mississippi |
| bootlegastronomy.com | p. 12 | Bootleg Star Party— Green River State Wildlife Area, Illinois |
| macalester.edu/physics/teachingresearch/ facilities/observatory |
p. 12 | Macalester Observatory—St. Paul, Minnesota |
| sas-sky.org | p. 12 | Illinois Dark Sky Star Party—Jim Edgar Panther Creek FWA |
| askc.org/events/hoasp | p. 12 | Heart of America Star Party—Butler, Missouri |
| nebraskastarparty.org | p. 12 | Nebraska Star Party—Valentine, Nebraska |
| okie-tex.com | p. 12 | Okie-Tex Star Party—Camp Billy Joe, Oklahoma |
| texasstarparty.org | p. 12 | Texas Star Party—Fort Davis, Texas |
| mcdonaldobservatory.org | p. 12 | McDonald Observatory—Fort Davis, Texas |
| rmss.org | p. 12 | Rocky Mountain Star Stare—Gardner, Colorado |
| apo.nmsu.edu | p. 12 | Apache Point Observatory—Sunspot, New Mexico |
| enchantedskies.org | p. 12 | Enchanted Skies Star Party—Magdalena, New Mexico |
| ifastro.org | p. 12 | Craters of the Moon Star Party—Craters of the Moon, New Mexico |
| bigskyastroclub.org | p. 13 | Logan Pass Star Party—West Glacier, Montana |
| boiseastro.org/event-4996997 | p. 13 | Idaho Star Party—Bruneau Dunes State Park, Idaho |
| www.oasisatdeathvalley.com/plan/stargazing | p. 13 | Death Valley Dark Sky Festival—Death Valley, California |
| goldenstatestarparty.org | p. 13 | Golden State Star Party—Bieber, California |
| dmns.org | p. 14 | Denver Museum of Nature and Science—Denver |
| frostscience.org | p. 14 | Frost Museum of Science—Miami |
| slco.org/clark-planetarium | p. 14 | Clark Planetarium—Salt Lake City |
| www.astroleague.org | p. 18 | Astronomical League website |
| astrosociety.org/education-outreach | p. 18 | Astronomical Society of the Pacific |
| astrosociety.org/education-outreach/eclipse.html | p. 18 | Astronomical Society of the Pacific 2024 Eclipse page |
| www.exploratorium.edu | p. 18 | Exploratorium |
| astro4edu.org/resources | p. 18 | International Astronomical Union: Educational resources |
| time.gov | p. 45 | U.S. Time Zones |
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