The Trifid Nebula (M20)

Posted by Behyar
on Saturday, October 22, 2011

HaLRGB 60:30:15:15:15 mins @ -10C
Ha 6x10, Lum 6x5 (bin 1x1), R 3x5, G 3x5, B 3x5 (bin 2x2)

Optics Celestron C11 Carbon Fiber SCT w/XLT
Focal Length 1700mm @f/6
Mount Astro-Physics 900GTO
Camera SBIG ST-10XME
Focuser Robo-Focus
Filters CFW8A, Astrodon LRGB, 3nm Ha
Software Maxim DL, CCDStack, Photoshop

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