// SUBREDDIT_PROFILE
r/atoptics
› Atmospheric Optics. The subreddit for anything related to optic sky phenomena: rainbows, ice halos, aurorae, mirages, cloud iridescence, green flashes, crepuscular rays and spectres of the Brocken.
// MEMBERS
74,094
› subscribers
// POSTS_INDEXED
317
› analyzed records
// COMMUNITY_AGE
14y
› since 2012-10-10
// STATUS
[ok] active
› feed indexed
// QUICK_ACTIONS
// Recent posts in r/atoptics
[ latest we indexed · by upvotes ]- 01 StreetView find: Circumscribed halo in Juliaca, Peru (September 2022) ↑ 152 · 2026-10-29
- 02 White rainbow? ↑ 86 · 2026-10-30
- 03 Southern Hemisphere Daytime Sky ↑ 38 · 2026-11-03
- 04 Fog bow, Oct 28th. Spotted in Cape Verde ↑ 30 · 2026-10-31
- 05 Is this gorgeous ring a moonbow, halo, moon dog, or what? ↑ 23 · 2026-10-26
// RELATED_COMMUNITIES
[ 12 communities · education & science ]
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// FAQ [ 3 entries ]
01 › What is r/atoptics about? [ expand ↓ ] [ collapse ↑ ]
r/atoptics is a Reddit community with 74,094 members. Atmospheric Optics. The subreddit for anything related to optic sky phenomena: rainbows, ice halos, aurorae, mirages, cloud iridescence, green flashes, crepuscular rays and spectres of the Brocken.
02 › How active is r/atoptics? [ expand ↓ ] [ collapse ↑ ]
r/atoptics has 74,094 subscribers and 317 posts in our index. It was created on 2012-10-10, 14 years ago.
03 › Which subreddits are similar to r/atoptics? [ expand ↓ ] [ collapse ↑ ]
Other Education & Science communities of a similar size include r/egyptology (75,363 members), r/debate (75,010 members), r/norsk (74,842 members), r/logophilia (74,815 members). Each is listed with its own subscriber and post counts in the related communities section above.