22 Degree Halo - 25 August 2025

astrophotography

halo

A wide-angle view of a glowing 22-degree solar halo forming a perfect circle of light around the sun, positioned above the silhouette of a tree and the sharp, geometric roofline of a building under a bright blue sky.

1 min read

Looked up and the sky had drawn a perfect circle around the sun. These halos happen when high cirrus clouds catch the light at just the right angle, bending it into a ring. I knew the physics, but it still felt like the sky was doing something deliberate.

A wide-angle view of a glowing 22-degree solar halo forming a perfect circle of light around the sun, positioned above the silhouette of a tree and the sharp, geometric roofline of a building under a bright blue sky.

-- Zhun Hao

Published: Mar 14 2026
Updated: