r/astrophotography (about 2.6M members, directory rank #422) celebrates amateur astrophotography. Visual observing/astronomy hobby talk and broader space science news each fit better when you are not capturing images.
See also astrophotography vs astronomy on SubMouse.
How to choose
Stay on astrophotography for imaging gear, processing and photo showcases. Use Astronomy for observing and astronomy hobby discussion, and space for space exploration and astrophysics news.
Starting point: r/astrophotography
r/astrophotography
— Amateur Astrophotography
- Members: 2.6M
- Directory rank: #422
- 7-day growth: +331
/r/astrophotography celebrates amateur astrophotography and will primarily focus on sharing and discussing the work of our members. We encourage sharing original content of real astronomical objects as a means of showcasing that work with those who enjoy astrophotography, inspir…
Curated alternatives
Astronomy
- Members: 3.2M
- Directory rank: #333
When to choose it: Amateur astronomy and celestial observing.
Why it is here: Public description: The amateur hobby of humanity since the dawn of time and scientific study of celestial objects. (about 3.2M members, rank #333). Paired on astrophotography vs astronomy; listed as related.
How it differs from r/astrophotography: Observing/hobby astronomy versus imaging-focused astrophotography.
/r/space: news, articles and discussion
- Members: 28M
- Directory rank: #16
When to choose it: Space exploration, astrophysics and cosmology news.
Why it is here: Space science community (about 28M members, rank #16).
How it differs from r/astrophotography: Space science news versus amateur sky imaging.
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Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-02 UTC); 7-day growth measured from 2026-10-26. Posts/day and culture claims appear only when we have them — missing fields stay n/a. Directory rank is listing order. Communities outside the published Top 100 open in the info tool instead of a full community page. Guide updated 2026-11-07.