NGC 6752, a globular cluster in constellation Pavo. Distance from Earth about 13000 light years.

The telescope and technical information:
http://3.bp.blogspot.com/_9HcYqbvUc4s/S-b4XGoaKCI/AAAAAAAAEVg/lmCuJMbTT-c/s1600/NGTelescopeL.jpg


16" RCOS ja Apogee U9000 camera.
LRGB combo.
Luminance 7x300s and 8x150s, Dark and Flat calibrated.
Red 1x300s, Dark calibrated
Green 1x300s, Dark calibrated
Blue 1x300s, Dark calibrated
Raw data is shared with Petri Kehusmaa and J-P Metsavainio


Processing workflow:
Image acquisition, MaxiDL v4.xxx
Stacked and calibrated in CCDStack.
Deconvolution with a CCDSharp, 10 iterations
Levels, curves and color combine in PS CS3.