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Ring Nebula
M57
Object
Type Planetary Nebula
Constellation Lyra
Distance 2,300 ly
More Info
Image
Date 02 Jul 2011 (Summer)
Place Palomar Mountain, CA
Exposure Data RGB 15:15:15 secs @ -10C
R 3x5, G 3x5, B 3x5 (bin 1x1)
Notes
Equipment
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 CFW10A, Astrodon RGB
Software Maxim DL, CCDStack, Photoshop