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M101 - 20070505

Remotely imaged at Tzec Maun
Telescope AP 206
Camera SBIG STL-11000
Focal Length 1620mm
Focal Ratio f/7.87

RGBL minutes 15/15/15/15

Nebulosity: bad pixel mapping
CCDOPS: hot/cold pixel removal
Maxim DL: SD stack of L, R, G, B
Maxim DL: RGB combine
Photoshop: Levels and curves RGB and L; stack RGB+L

m101_20070505_rrm.jpg M101_RGBL_large.jpg m81_10min_20070322_rm_atlpr.jpg m83_20070512_rrm.jpg m86_20070324_18min_rm.jpg