#photosphere
Live, measured metrics for the hashtag #photosphere from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #photosphere
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.social (Mastodon public tags API) · fetched 2026-10-18 19:36 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-18 19:36 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-18 19:36 UTCEverything below is measured over the latest 40 public posts (spanning ~106976 hours).
Posting hours (UTC) — busiest: 10:00
Languages: English (31) · French (5) · German (1)
Avg boosts / post: 1.7
Top of the latest posts
Here are some great shots from our #GREGORSolarTelescope observation campaign in July. Peering into the #photosphere and #chromosphere, we caught several emerging active regions – and a #flare! This will help us study the plasma dynamics i
I've an extremely niche #video question. I have a 360 / spherical camera. When I grab the videos from its SD card, they come out like this - fisheye format. Is there an easy way to turn them into #EquiRectanguar format suitable for #photosp
For the first time, #KelvinHelmholtzInstabilities 🌀 have been directly observed in the #Sun’s #photosphere ☀️🔭 #DKIST images reveal tiny #vortex-like structures at the edges of #MagneticFlux concentrations. #MHD simulations reproduce them
What “photosphere” means
WikipediaThe photosphere is a star's outer shell from which light is radiated. It extends into a star's surface until the plasma becomes opaque, equivalent to an optical depth of approximately 2⁄3, or equivalently, a depth from which 50% of light will escape without being scattered.
“Photosphere” on Wikipedia (CC BY-SA) →#photosphere across platforms
every network with a public tag surfaceFollow #photosphere 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/photosphere