Aurora captured in my backyard with a 20mm lens and Canon 10D DSLR

This aurora could easily be detected with the naked eye and the color could be seen without optical aid as well.



Click here to view full size

Lens	Sigma EX 20mm
Aperture
F Ratio	F2.0
Focal Length	20mm
Filters	Skylight
Camera	Canon 10D (1.6x crop compared to 35mm film)
Exposure	Approx 20Seconds
Mount	Photo Tripod
Guiding	Unguided
Post Processing	Yes
Seeing	Not documented
Limiting Magnitude	Not documented
Moon Phase	Not documented
Location	My Backyard (Click Contact in the menu for more details)
Other Notes	I dont remember much about taking this photo :)