M 109
Galaxy in Ursa Major
Optics: AG14 Astrograph f/3,8
Camera: Canon EOS 5DMarkII, modified
Exposure: Total 420min, 20min subexposures at ISO400 and 1600
Date: 22/25 March 2012
Location: Hohe Asch Observatory
Image processing with fitswork and Photoshop CS5
Remarks: Double spikes due to collimation between imaging sessions.
M.S.


