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M83 - Southern Pinwheel - 20070512

M83, sometimes called the "Southern Pinwheel" is a magnificent spiral galaxy located approximately 15 million light years away, located in the direction of Hydra, the water snake.

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

RGBL minutes 15/20/25/15

CCDOPS
-hot/cold pixel removal
MaximDL
-SD Mask stack R, G, B, L
Photoshop:
-Levels and curves RGB and L
-Guassian blur background; unsharp mask galaxy
-stack RGB+L
-Saturation adjustment

M101_RGBL_large.jpg m81_10min_20070322_rm_atlpr.jpg m83_20070512_rrm.jpg m86_20070324_18min_rm.jpg ngc2403_20070420_rrm.jpg