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Whirlpool Galaxy
M51
Object
Type Spiral Galaxy
Constellation Canes Venatici
Distance 37,000,000 ly
More Info
Image
Date 20-Mar-2015 (Winter)
Place Little Blair Valley, Anza-Borrego Desert, CA
Exposure Data LRGB 90:30:30:30 mins @ -25C
Lum 6x15 (bin 1x1), R 3x10, G 3x10, B 3x10 (bin 2x2)
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

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