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M 101

M 101 - Pinwheel Galaxy

Date: 17.06.2012, 22.06.2012 and 23.06.2012
Ambient conditions: 12°C, transparency 4/5, seeing 3/5
Location: Trier, Germany

Telescope: Deltagraph 300mm f/3.3
Mount: GM2000QCI
Camera: SXVF-M25C
Guiding scope: Orion short tube 80mm f/5
Guiding camera: ATIK 16IC
Filters: IDAS LPS

Software: Maxim DL 5
FOV, Image scale: 62.5 x 54.8 arcmin, 1.62 arcs/pixel
Sub-exposures: 4 h 35 m (55 x 5 min) light frames
Calibration: 52 x 15 s EL Flats, Masterbias 

Maxim DL 5: Calibration, SDMask stacking
Images Plus 3.75: DDP
CS5: Levels, color enhancement with Gabany's method, Unsharp mask on galaxy.

More exposure time needed. Difficult target for OSC cameras.

Download full size image:

Filename: galaxies/m101_2012-06-23_full.png
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