DAVE MASON   ASTROPHOTOGRAPHY
CRESCENT NEBULA

The Crescent Nebula is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth.
The Crescent Nebula, is a cosmic bubble about 25 light-years across, blown by winds from its central, bright, massive star.

Technical info:
TS 80mm f6 APO triplet refractor - Canon 40D + IDAS LPS2 (light pollution) filter - exposure 14x 360sec (1h 24min)

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