Object
Description:Cepheid Variable Star in M31
Type:Spiral Galaxy
Constellation:Andromeda
Distance:2,900,000 ly
Image
Date:October 1, 2016
Location:Palomar Mountain, CA
Exposure:Lum 12x10, R 4x10, G 4x10, B 4x10 (bin 1x1)
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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