NGC 6992 – Veil Nebula

Date:
27.09.2011 and 03.10.2011
Ambient conditions: 10°C, transparency 5/5, seeing 4/5
Location: Trier, Germany

Equipment:
Optics: Deltagraph f/3.3
Mount: GM2000QCI
Guiding: TMB 92 SS and Atik16CS
Camera: SXVF - M25C
Filter: IDAS LPS

Acquisition:
Software: MaximDL5
FOV, Image scale: 62.5 x 54.8 arcmin, 1.62 arcs/pixel
Sub-exposures: 5h 25min (29 x 10min),
Calibration frames: 50x10s EL-Flats and 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.