Astronomy & Space
396 sites
https://openphdguiding.org/phd2-log-viewer
PHD2 Guiding is the home of PHD2, a free and open-source autoguiding software used by astrophotographers to keep telescopes precisely locked on celestial targets. This page highlights a log file viewer tool developed by Andy Galasso, which helps users visualize guiding performance and diagnose tracking issues from their PHD2 guide logs.
https://centexastronomy.org/
The Central Texas Astronomical Society operates Meyer Observatory and the Turner Research Station near Clifton, Texas, hosting public open houses and member star parties with large-aperture telescopes. Their mission spans stargazing outreach, astrophotography, astronomy education, and research for both newcomers and experienced observers in the Central Texas region.
http://solstation.com/life.htm
SolStation.com hosts detailed information about nearby star systems and the search for extraterrestrial life, making it a rich reference for amateur astronomers and space enthusiasts. The site explores the habitability of star systems within our cosmic neighborhood, combining scientific data with accessible writing.
http://www.hawastsoc.org/
The Hawaiian Astronomical Society, founded in 1949, is a nonprofit dedicated to promoting amateur astronomy across Hawaii through monthly public star parties, school outreach, and members-only dark sky observing sessions. The site features a deep sky atlas, an astronomy newsletter, event schedules, and live solar imagery from SDO, making it a rich hub for stargazers in the islands.
https://avastronomyclub.org/
The Antelope Valley Astronomy Club (AVAC) is a nonprofit organization founded in 1982 to share the wonders of the night sky with families in northeastern Los Angeles County. Members range from beginners to advanced observers, and the club offers monthly meetings, school presentations, observing programs, and resources like telescope guides and DSO observing lists.
https://skyhound.com/sh/dso_guide.html
Skyhound's Guide to Deep Sky Objects is a comprehensive reference covering every major category of deep sky objects, from open star clusters and globular clusters to quasars and gravitational lenses. Each section explains what the objects are, how they appear through a telescope, and highlights notable examples like the Veil Nebula, Einstein's Cross, and the Pleiades.
https://rdelsol.com/
Rancho Del Sol Observatory is a personal astronomy site featuring articles and updates about space exploration, including NASA's Mars rover Perseverance and planetary science topics like Uranus. The site blends historical context about astronomy's milestones with news-style posts covering recent developments in space exploration.
https://sbau.org/default.html
The Santa Barbara Astronomical Unit (SBAU) is an active astronomy club based in Santa Barbara, California, hosting monthly public meetings featuring talks by prominent researchers from NASA, JPL, and leading universities. The site offers event calendars, dark sky site listings, equipment for sale, newsletters, and a rich archive of past speaker videos dating back to 2008.
https://go-astronomy.com/astro-club-search.htm
GO ASTRONOMY hosts a comprehensive directory of over 600 amateur astronomy clubs across all 50 U.S. states, plus international listings spanning countries from Japan to Germany. Visitors can search by state to find local clubs offering meetings, star parties, viewing nights, and stargazing programs, making it an essential starting point for anyone wanting to connect with fellow astronomers.
https://homepages.abdn.ac.uk/nph120/astro/astlinks.html
Assembled by John S. Reid at the University of Aberdeen, this curated astronomy links page was built to support a Level 1 Astronomy class, covering general astronomy, the solar system, space missions, and observatories. With over 200 links organized into clear sections, it points students to tools like Stellarium, NASA catalogues, online textbooks, and the European Space Agency.