Our Solar System - Robert Arn
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Flare in Blue Sky (Iridium 15)

Flare from a communication satellite. Reached a mag of -8 at its peak.

Location: Friend's Creek, IL
Date: 2009-09-17
Camera: Canon XSi (unmodified)
Lens: Sigma 20mm f/1.8
Mount: Astrotrac
Shot: 1x100sec; ISO 800; f/3.2
Processing: Digital Photo Professional, Photoshop