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Pinwheel Galaxy
M101
Object
Type Spiral Galaxy
Constellation Ursa Major
Distance 27,000,000 ly
More Info
Image
Date 30 May 2014 (Spring)
Place Palomar Mountain, CA
Exposure Data LRGB 180:60:60:60 mins @ -20C
Lum 12x15, R 4x15, G 4x15, B 4x15 (bin 1x1)
Notes
Equipment
Optics DSI RC10C Corrected RC Astrograph
Focal Length 1867mm @f/7.3
Mount Astro-Physics 900GTO
Camera FLI ML-6303E
Focuser Built-in Secondary Focuser
Filters FLI CFW2-7, Astrodon Gen 2 LRGB
Software Maxim DL, CCDStack, Photoshop