Group Challenge: M20 - The Trifid Nebula  
M20 - Trifid Nebula

M20 - Trifid Nebula(Patrick Crants)

Acquisition Date : July 4-5, 2010
Camera : Canon 450D (Baader mod, G. Honis)
Camera Settings : RAW - Bulb - 200 x 15 sec + 100 x 30 sec, plus 20 dark and 20 bias frames. Effective exposure after stacking 01:08:58
Telescope : Celestron C8 with f/6.3 focal reducer
Mount : Fork mount w/eq wedge, drive, unguided
Adapter / Prime / Afocal / Other : Prime Focus
Processing Package / Processing Applied : Deep Sky Stacker 3.3.2
GIMP 2.6
Noise Ninja 1.1.0

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