#observatory
Live, measured metrics for the hashtag #observatory from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #observatory
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 · mastodon.online (Mastodon public tags API) · fetched 2026-09-28 12:16 UTC2 uses by 2 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-09-28 12:16 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-28 12:16 UTCEverything below is measured over the latest 40 public posts (spanning ~1668 hours).
Posting hours (UTC) — busiest: 19:00
Languages: English (20) · Lithuanian (7)
Avg boosts / post: 1
Top of the latest posts
RE: https://mastodon.social/@esoastronomy/117348194707008050 I warmly recommend to follow the European Southern Observatory at @esoastronomy ! You can ask curious layperson's questions and they answer! 😊 I love such helpful accounts! #astr
🔭🏆The Real Observatorio Astronómico de Madrid was distinguished as an EPS Historic Site. Congratulations! Discover the history of this institution built in 1790 and its continued contribution to modern research. 👉https://eps.org/real-obs
Join us this Wednesday for an exciting evening of astronomy with Allan I. Carswell Observatory! We are hosting a Pop-up Event where guests will have a chance to explore the cosmos with our eVscope just outside the York University Subway Sta
What “observatory” means
Wiktionary · Wikipediaobservatory/əbˈzəːvət(ə)ɹi/
- nounA place where stars, planets and other celestial bodies are observed, usually through a telescope; also place for observing meteorological or other natural phenomena.
An observatory is a location used for observing terrestrial, marine, or celestial events. Astronomy, climatology/meteorology, geophysics, oceanography and volcanology are examples of disciplines for which observatories have been constructed. Some people still prefer to restrict the term to astronomical observatories.
“Observatory” on Wikipedia (CC BY-SA) →#observatory across platforms
every network with a public tag surfaceFollow #observatory 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/observatory