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Object Moon Dog over Homer Alaska

The moon can produce interesting optical effects when conditions are right. The most common of which are moon rings, moon bows, which are similar to rainbows, moon dogs and moon pillars. A rainbow is produced when sunlight is refracted through water droplets – A similar effect is produced when moon light refracts through ice crystals.

Scope Lens: EF-S18-55mm f/3.5-5.6 @ 18mm
Camera Canon 400D
Mount Tripod
Guiding Unguided
Exposure Info 1/28/2006. Shutter Speed : 10Sec. ISO Speed: 400. Lens: EF-S18-55mm f/3.5-5.6. Focal Length: 18.0 mm
Date January 28, 2006
Copyright Photo copyright Thomas Kerns, Beluga Lake Observatory