19 Online Communities for Astronomers
Updated 6/8/2023
Spacecord
on discord
Spacecord is a Discord server dedicated to everything that has to do with space. Astronomy, astrophysics, cosmology, space travel, exploration, astrophotography, you name it we got it! We also post livestreams of launches and do trivias. Spacecord is for everyone interested in space, you don't necessarily need to be an expert.7K members
ChatEvents52 views / month
Science and Technology
on discord
Science and Technology is a free Discord server that gathers scientists and science enthusiasts worldwide to discuss all things science. It has ten channels for different scientific fields. They are: astronomy, biology, chemistry, economics, engineering, environment, mathematics, physics, psychology, and technology.59K members
ChatNewsletter30 views / month
Space Nerds
on discord
Hello and welcome to Space Nerds! Space Nerds is a general space community where you can come and talk about anything space, science, or technology related! If you're interested in anything science related and want to join a fun community and talk to others about nearly anything, this is the server for you.9K members
ChatEvents17 views / month
Cosmos Domain
on discord
Welcome to Cosmos Domain! We invite you to explore and learn with us! Join our server for various topics like math, physics, astronomy, biology, chemistry, and more STEM subjects!2K members
Chat15 views / month
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Tucson Amateur Astronomy Association Forum
Tucson Amateur Astronomy Association Forum is there to enable the exchange ideas about astronomy topics among the members of the TAAA. This site allows members to informally pose questions to the group, share observing targets or generally explore astronomy topics.ForumPairingPerksEventsNewsletterPaid1 views / month
The British Astronomical Association Forum
This is a place where all The British Astronomical Association members are welcome to post questions and exchange ideas with other members. If you have not yet joined the BAA, you are welcome to read any posts, but you may not join in the discussion. The BAA values freedom of expression and lively debate, but we have a few basic guidelines to ensure the discussion remains friendly and welcoming.3K members
ForumPerksEventsNewsletterPaid1 views / month
Orpington Astronomical Society Forum
Run by a committee drawn from the membership, the Orpington Astronomical Society has been an active association in Bromley since 1980. Originally founded in Orpington (hence the name) the Society has grown from a small group of enthusiasts into an established educational charity with close links to national bodies, including the Federation of Astronomical Societies and the Royal Observatory, Greenwich.ForumPairingEventsNewsletterPaid![Community Placeholder]()
The Astronomy Forum
The Astronomy Forum. India’s first online Astronomy Forum. The motto of this platform is to discuss such things which can not be found on Google. Thus we encourage all astronomy lovers to join and post their Questions and also help others by replying to others.ForumEventsNewsletterCourses2 views / month
Cloudy Nights Forum
Cloudy Nights Forum is dedicated to provide a forum where you can ask your questions or provide answers based on your experience, and perhaps most importantly, the site publishes reviews of astronomical scopes and equipment as written by experienced observers in the amateur astronomy community.180K members
ForumEventsNewsletter38 views / month
Fort Wayne Astronomical Society Forum
No advanced knowledge or equipment is necessary to become a member. If you have any kind of interest in astronomy, you’ve found the right group. Your membership with FWAS will also make you a member of the Astronomical League. New members: Be sure to join our members-only online forum and say hello!ForumEventsPaid3 views / month
Colorado Springs Astronomical Society Forum
The Colorado Springs Astronomical Society (CSASTRO) is a 501(c)(3) nonprofit organization of astronomy enthusiasts dedicated to the promotion and advancement of astronomy throughout Southern Colorado. Our membership is diverse in age, education, occupation, astronomical experience, and interests. Some members have formal training in astronomy, but many are beginners who seek to increase their understanding of the heavens.847 members
ForumEventsPaid4 views / month
Stargazers Lounge
Stargazers Lounge is one of the largest online astronomy forums on the Internet! Its members are diverse, come from all parts of the World and are very knowledgeable and helpful. Forum topics range from social “Astro-chat” to in-depth discussions on astrophotography equipment and processing, and everything in between.72K members
ForumEvents6 views / month
AstroBin
Online since 2011, AstroBin is the #1 complete solution for image hosting of astrophotography. Far from being a generic run-of-the-mill image hosting website, it boasts features that are very specific to astrophotography and its philosophy is all about quality.50K members
ForumPaid4 views / month
The Polite and Friendly Amateur Astronomy Forum
Welcome to our friendly and polite astronomy forum! Please do introduce yourself and say hello! Beginners and experienced are welcome!1K members
Forum1 views / month
r/Astronomy
on reddit
The amateur hobby of humanity since the dawn of time and scientific study of celestial objects.3.1M members
Forum9 views / month
Online Astronomy Society
on facebook
We are a society of amateur and professional astronomers.18K members
Forum5 views / month
r/amateurastronomy
on reddit
News, info, tips, ideas and advice about amateur astronomy.31K members
Forum6 views / month
Astronomers
on facebook
This is an informal group intended for PROFESSIONAL astronomers. If we cannot determine if you are/were a professional astronomer, your membership request will be declined. Discussion topics should, in general, be focused on one or more of the following: astronomy & astrophysics, astronomy-related technology and instrumentation, science policy, professional issues, work environments, etc.9K members
Forum3 views / month
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Orbiter Forum
Orbiter Forum is the orbiter and space flight discussion board. The section is about astronomy news and discussions, astrophotography, telescopes, star charts, galaxies, stars, planets & moons, discuss it all here!18K members
Forum1 views / month
FAQ
Community size
- Tiny: 0 communities (<20 members)
- Small: 0 communities (20-100 members)
- Medium: 1 communities (100-1,000 members)
- Large: 6 communities (1,000-10,000 members)
- Huge: 6 communities (10,000-100,000 members)
- Massive: 1 communities (100,000-1M members)
- Gigantic: 1 communities (1M+ members)
Community features
Community platforms
- Discord: 4 communities
- Facebook: 2 communities
- Reddit: 2 communities