[/caption] A beautiful and colorful halo — a 22 degree ring — as seen on the island of Lanzarote in the Canary Islands, taken by ‘Astrohans” (a.k.a. Hans Schremmer) on Flickr. Hans posted that circumhorizontal arc is also visible, and that the photo was taken on May 8, 2010 in Playa Blanca, using a Canon … Continue reading "Astrophoto: Lanzarote Sun Halo by Hans Schremmer"