#M51
Live, measured metrics for the hashtag #M51 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #m51
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mas.to (Mastodon public tags API) · fetched 2026-11-11 12:24 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-11-11 12:24 UTCLive pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-11-11 12:24 UTCEverything below is measured over the latest 40 public posts (spanning ~9800 hours).
Posting hours (UTC) — busiest: 09:00
Languages: English (24) · French (8) · German (3) · Russian (1)
Avg boosts / post: 1.4
Top of the latest posts
Good Friday morning. Still have some images to share from yesterday. Next up is the Dwarf Mini’s observation of (from top to bottom) #NGC5195 / #M51 #TheWhirlpoolGalaxy / #IC4263 / #NGC5198 / #NGC5169 #Galaxies. #dwarflabs #dwarfmini #space
Last image for the Dwarf Mini - #NGC5195 #Galaxy / #M51 #TheWhirlpoolGalaxy. #dwarflabs #dwarfmini #space #astronomy #amateur
Next up are (top to bottom ) #NGC5195 #Galaxy / #M51 #TheWhirlpoolGalaxy. #seestar #S50 #space #astronomy #amateur
#m51 across platforms
every network with a public tag surfaceFollow #m51 straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/m51