#Parhelion
Live, measured metrics for the hashtag #Parhelion from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #parhelion
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 · fosstodon.org (Mastodon public tags API) · fetched 2026-10-15 08:54 UTC0 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 2026-10-15 08:54 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-15 08:54 UTCEverything below is measured over the latest 24 public posts (spanning ~40018 hours).
Posting hours (UTC) — busiest: 23:00
Languages: English (18) · German (1) · British English (1)
Avg boosts / post: 1.6
Top of the latest posts
Atmospheric Optics Photo #5: Parhelion. A bright parhelion (plural parhelia) is sometimes called a mock sun or sun dog. It's another atmospheric optic effect from the refraction of ice crystals appearing on one or both sides of the Sun at o
Right side #parhelion / #sundog + unusually colourful #UpperTangentArc 17:32 BST 27/03/23. Colour separation revealed more of the tangent arc "winged" shape. Taken from Oxfordshire, UK with a Fairphone 4 phone camera #AtmsophericOptics
Beautifully bright left side #parhelion (#sundog) seen at 9:35am on 2nd January 2023 from North Oxfordshire. Photo taken with a Fairphone 4 camera #AtmosphericOptics #OpticalEffects
What “parhelion” means
Wiktionary · Wikipediaparhelion/pɑːˈhiːlɪən/
- nounA bright spot in the sky due to the refraction of the sun’s image by ice crystals.
A sun dog, sundog or mock sun, also called a parhelion in atmospheric science, is an atmospheric optical phenomenon that consists of a bright spot to one or both sides of the Sun. Two sun dogs often flank the Sun within a 22° halo, parallel to the horizon.
“Sun dog” on Wikipedia (CC BY-SA) →#parhelion across platforms
every network with a public tag surfaceFollow #parhelion 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/parhelion