M31 - The Andromeda Galaxy
Here we have the Andromeda galaxy - our galactic neighbor.
Don't let the image fool you, the image diagonal still covers 6 full moon diameters.
Processing this image was tough because of the wide dynamic range.
Date: October 5, 2013
Time: 21:15 pm - 23:45 pm
Camera: SBIG STF-8300M
CCD Temperature: -12 C
Optics: Takahashi Sky 90 II @ 406 mm fl (f/4.5)
Filter: Astronomik L
Light frames: 20x5 min
Dark frames: 10
Flat frames: 19
Binning: 1x1
Guiding: Orion SSAG @ Orion finder (~162 mm)
Mount: AP Mach 1
Dithering: Manual
Processing: Stacking in DeepSkyStacker, Curves and Levels PSCS6.