The photographer Contact info View guestbook Sign guestbook Guest photo gallery Links Home . The circumhorizontal arc is an impressive, large, colored arc, which usually lies close to the horizon when visible.
Light enters one of the vertical side faces of the crystal and exits at the bottom face.
The circumhorizontal arc can only be visible when the sun is higher than 58 deg. All photos and video files on this site are copyright H.E. Edens, unless explicitly noted otherwise.