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Subject
IC 5146
Date
12th June 2004
Telescope or Lens
TEC APO 140
Mount
G11
Camera
ST2000XM
Filters
TT RGB, Schuler 10nm Ha
Total Exposures L 90 min R 60 min G 40 min B 40 min
Sub exposure

9 x 10 min
6 x 10 min
8 x 5 min
8 x 5 min
Binning
Luminance1 x 1 RGB 2 x 2
Field of view and resolution
Approx 41 x 31 Arcminutes. 1.56 Arcsec / Pixel
Comments  

The Cocoon Nebula.

Definitely a bit of noise in this image. I think this is due to very thin cloud for the luminance data. Still better than my previous example of the Cocoon though.