Astrophotography

September 2000: The Gegenschein

21 October 2000, 21:00-21:45 UT (45 min exposure), f=16mm f/2.8 (fish-eye photo, diagonal = 180), Elite 400, from Mt. Matajur. This photo shows that light pollution from aeroplanes is a common problem in wide angle astrophotography. The longer exposure makes the Gegenschein evident. Orion rises from the eastern horizon.

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