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NGC 281

NGC 281 - PacMan Nebula


Date: 27.09.2011
Ambient conditions: 10°C, transparency 5/5, seeing 4/5,
Location: Trier, Germany

Equipment:
Telescope: Deltagraph 300mm f/3.3
Mount: GM2000QCI
Guiding: TMB 92 SS f/5.5 with ATIK 16 IC-S
Camera: SXVF-M25C
Filter: IDAS LPS

Acquisition:
Software: MaximDL 5
FOV, Image scale: 62.5 x 54.8 arcmin, 1.62 arcs/pixel
Sub-exposures: 3.5 hours (21 x 10min) lights
Calibration frames: 50 x 10s EL flats. Masterbias 

Processing:
MaximDL 5: Calibration, SDMask stacking, split L R G B channels
CS5: Curves and levels adjustments on single channels, merge of LRGB image, noise reduction with Carbonis Actions

Comments: 
The processing technique with the synthetical luminance permitted much better control of background noise and color. 



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Filename: nebulae/ngc281_2011-09-27_full.png
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