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Cepheid Variable Star in M31
V1
Image
Date 1-Oct-2016 (Fall)
Place Palomar Mountain, CA
Exposure Data LRGB 120:40:40:40 mins @ -25C
Lum 12x10, R 4x10, G 4x10, B 4x10 (bin 1x1)
Notes
More Info NASASpace.com
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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