#hydrogenalpha

Live, measured metrics for the hashtag #hydrogenalpha from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #hydrogenalpha

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.

$5.00/ year · 13-character #name
Claim #hydrogenalpha — $5.00/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
24
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 24
1.7
Avg reactions / post
Mastodon · last 24

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 13:52 UTC
0
07-22
0
07-23
0
07-24
0
07-25
0
07-26
0
07-27
0
07-28

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-28 13:52 UTC
#hydrogenalpharadiation
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 13:52 UTC

Everything below is measured over the latest 24 public posts (spanning ~30772 hours).

Posting hours (UTC) — busiest: 19:00

00:0012:0023:00

Languages: English (23)

Avg boosts / post: 6.5

Top of the latest posts

  • The Sun today in hydrogen alpha wavelengths. Processed using inverted chromosphere luminance. A pair of sunspots and a few large prominences made for a really nice view. #sun #star #astrophotography #hydrogenalpha #space

    Kevin Gill@[email protected]♥ 6↻ 142022-11-02 21:48 UTCView post →

  • The Sun this afternoon in Hα. Processed in inverted and natural chromosphere luminance. #Science #Space #Sun #HydrogenAlpha

    Kevin M. Gill@[email protected]♥ 3↻ 172023-06-02 23:27 UTCView post →

  • The Sun this morning in hydrogen alpha #Sun #HydrogenAlpha #Space #Science

    Kevin M. Gill@[email protected]♥ 3↻ 52023-05-01 01:30 UTCView post →

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/hydrogenalpha