Astrodude's Images

M20 Trifid Nebula

Date: August 9, 2008
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SBIG ST2000XM w/CFW-8a
Astrodon Series I RGB filters
Takahashi FSQ-106n with 1.6x Extender-Q
Astro-Physics AP900GTO cp2 mount

Filter Data:
Luminance = 65 minutes
Red = 20 minutes
Green = 20 minutes
Blue = 20 minutes
300 second sub-exposures autoguided by the integrated guider

Total exposure time 125 minutes

Processing: Maxim DL and Photoshop CS3.