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Ernie Mastroianni | all galleries >> Astrophotography >> Deep sky from the city > M-13
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Ernie Mastroianni

M-13

M-13, in a 22 minute exposure taken from a light-polluted backyard in Whitefish Bay, Wis. on Jan. 15, 2003 through a Nikon 800mm f/5.6 lens. Film was E200, processed normally. Sky transparency was about 8. It was shot just before dawn. tracking was with an ST-4 through an ETX90 at prime focus. The small galaxy NGC-6207 can be seen at lower left.

Nikon F3 ,800mm f/5.6

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