A 22° Halo like this is visible when thin cirrus clouds made of ice cover the sky and the ice-crystals in the clouds are oriented properly.
To the lower left of the Halo you can see the constellation Orion.
To the lower left of the Halo you can see the constellation Orion.
Camera | Nikon D200 |
Lens | Tokina 12-24 /4 at 12mm |
Exposure | 15sec. at f/4 ISO 360 |
Date: | 21 February 2010 |