M20, the Triffid nebula
M20, the "Triffid Nebula" in constellation Sagittarius. Distance about 7600 light years.
M20, imaged with a Northern Galactic members remote telescope in Australia,
Impressive instrumentation and great location in Souther Australia under a dark Sky, makes possible to go deep in very short time! Image above has only 70min. total exposure time, Luminance is 25 min.
I'll shoot more lights for this later.
16" RCOS ja Apogee U9000 camera.
LRGB-image, Luminance=5x300s + 5x600s, total 1h 15min.
Red=3x300s, Dark and Flat calibrated.
Green=3x300s, Dark and Flat calibrated.
Blue=3x300s + 1x600s, Dark and Flat calibrated.
Raw data is shared with Petri Kehusmaa and J-P Metsavainio
Image acquisition, MaxiDL v4.xxx
Stacked and calibrated in CCDStack.
Deconvolution with a CCDSharp, 30 iterations.
Levels, curves and color combine in PS CS3.