Tech, science & learning
r/Astronomy stats
r/Astronomy has 3,156,560 members and gets about 0.3 new posts a day. The best time to post is Friday around 2am US Eastern.
- Members
- 3.2M
- Posts per day
- 0.3
- Avg comments
- 2.7
- Created
- 2008
From the subreddit: The amateur hobby of humanity since the dawn of time and scientific study of celestial objects.
Best time to post on r/Astronomy
When this month's top 28 posts went up, weighted by score. Times are US Eastern.
- #1
Fri 2am
- #2
Sat 9am
- #3
Mon 6am
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Top posts this month
- Active solar prominence from 10/16/26 recorded from my backyard▲ 10K
- I stacked 5000 images of the Moon into one beautiful HDR photo▲ 3K
- Living or travelling overseas? Check your enrolment and voting options for the upcoming state election.▲ 0
- I Drove Halfway to Canada to Photograph the ISS Transit Directly Past Jupiter. There are Seven People in the Frame of This Picture.▲ 2K
- The solar system through my telescope!▲ 2K
Who buys on r/Astronomy
Readers following technology, programming and science. Good for developer tools, consumer tech and education products.
Find buyers in r/Astronomy
Leadhoot watches r/Astronomy, scores every new post 0–100 for buyer intent, and alerts you within a minute of the ones asking for what you sell.
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Common questions
r/Astronomy has 3,156,560 members, read from Reddit on November 1, 2026.
Based on when this month's top posts went up, Friday around 2am US Eastern. Check the heatmap for runner-up slots.
It gets about 0.3 new posts a day, and a new post averages 2.7 comments.
Read the subreddit rules first; most business subreddits remove promotional posts. What works is answering posts where someone asks for help, being genuinely useful, and disclosing when you mention your own product.
Watch for posts where someone asks for a recommendation, a quote, or an alternative to a tool. Leadhoot watches r/Astronomy for you, scores every new post 0–100 for buyer intent, and alerts you within a minute of the high scorers.
Data read from Reddit's public API and refreshed weekly. Check any subreddit.