Messier 20 – Trifid Nebula

 

Optics: 24 inch f/6.8 PlaneWave Corrected Dall-Kirkham
Mount: Astrophysics 3600GTOPE
Camera: Apogee Alta U16M, Astrodon MonsterMOAG
Filter: Astrodon narrowband
Dates: April 26 – September 7, 2013
Location: Covington Observatory, Englewood, Colorado
Exposure : Narrowband; 120 sec subs; 50 minutes total time
Acquisition: MaxIm DL, ACP, FocusMax
Processing: MaxIm DL, Adobe Photoshop CS5, HOS palette

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