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 | 
