Data
Target: The Andromeda Galaxy (M31) in Andromeda
Date(s): August, and September 2011
Detector: SBIG STL-11000M
Telescope: Takahashi FSQ-106N
Focal length: 530mm
Guiding: Self guiding through SBIG STL-11000M
Exposure: LRGB (210 60 60 60); total: 6.5 hours
Exposure: L bin 1x1, RGB bin 2x2
Software: MaxIm DL 5: Calibration, frame registration, stacking; PixInsight: composite registration, stretching, colour combine, noise reduction; Adobe Photoshop CS5: post-processing and framing