Astronomy & Space
396 sites
https://kasonline.org/astroweb.html
The Kalamazoo Astronomical Society's curated astronomy link directory groups hundreds of carefully selected web resources into subject categories, from amateur telescope making and astrophotography to planetary exploration and dark-sky parks. Organized like a yellow pages phone book, this extensive collection makes it easy for both beginners and seasoned stargazers to find the best astronomy sites on the web.
![en:start [Virtual Moon Atlas Version 9.0]](/screenshots/39586.webp)
http://ap-i.net/avl/en/start
Virtual Moon Atlas (VMA) is a free, feature-rich lunar observation and study program for Windows and Linux, now in its ninth major version after over two decades of development. Downloaded nearly 2 million times worldwide, it has been used by the European Space Agency, CNRS research professors, and even to help prepare the Chandrayaan 1 lunar mission.
http://amesastronomers.org/
The Ames Area Amateur Astronomers (AAAA) is a non-profit 501(c)3 club based in Ames, Iowa, dedicated to sharing the wonders of the night sky through outreach events, club meetings, and the annual Iowa Star Party. Members gain access to a newsletter, astronomy updates, and the club's observatory at McFarland Park, making it a great hub for both beginners and seasoned stargazers in central Iowa.
https://pk3.org/Astro/index.htm?k3ccdtools.htm=
Peter Katreniak's astronomy page covers CCD imaging and observations of planets, the Moon, the Sun, eclipses, and deep-sky objects. A hobbyist astronomer's showcase featuring telescope photography and tools like K3CCDTools, making it a great find for amateur astrophotographers.
http://panoptesv.com/SciFi/ColorsOfAlienWorlds/AlienSkies.php
A scientifically detailed simulation gallery showing what alien skies would look like on Earth-like worlds orbiting different types of stars, with varying atmospheric pressures and compositions. Each entry features rendered color visualizations depicting sky color at different sun angles, making this a visually rich and technically rigorous reference for astronomy and worldbuilding enthusiasts alike.
http://yearinspace.com/the-week-in-space
The Year In Space is a weekly online calendar that highlights space history, sky events, and astronomical milestones, pairing each entry with detailed write-ups and NASA imagery. Each week features a featured topic such as the discovery of Ceres or the Cassini mission, alongside a day-by-day calendar of notable birthdays, launches, and celestial events.
https://mm4rk3t.neocities.org/
A minimalist personal page from a creator known as mm4rk3t, built around a Latin aphorism about stars being visible only at night and the sleepless nights that make mathematicians and astronomers. The sparse, cryptic aesthetic and classical quotation give the site an enigmatic, philosophical quality that hints at interests in astronomy and mathematics.
https://assa.org.au/
The Astronomical Society of South Australia (ASSA) is an active community organization offering public and member viewing nights, monthly meetings, and astronomy resources for all skill levels. The site features a rich collection of guides covering astrophotography, comets, variable stars, Aboriginal astronomy, and solar system events, plus details on observing sites like Stockport Observatory.
http://lunar-occultations.com/iota/iotandx.htm
The International Occultation Timing Association (IOTA) is a scientific organization dedicated to observing, timing, and reporting occultations and eclipses, including lunar grazes and asteroid occultations. The site serves as a comprehensive hub with prediction tables, observing guides, software tools like LiMovie and KIWI-OSD, and regional sections spanning Europe, the Middle East, India, Australasia, and East Asia.
https://caacwv.com/
The Central Appalachian Astronomy Club is a 501(c)(3) non-profit based in West Virginia dedicated to promoting amateur astronomy and partnering with local schools and universities. Visitors can learn about the club's 20-foot Ash Dome observatory housing a 16-inch Meade LX200 telescope, upcoming meetings and events, and how to join.