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Subject
Gamma Cygnus Region
Date
October 2003
Telescope or Lens
Tak FS60C with AP 0.75 focal reducer
Mount
G11
Camera
ST2000XM
Filters
Schuler 10nm Ha, Custom Scientific 4nm SII and OIII
Total Exposures L 8 hours R 8 hours G 8 hours B 8 hours
Sub exposure

From Ha data 4 frames.

Each 12 x 10 min

4 frames.

Each 12 x 10 min

4 frames.

Each 12 x 10 min

4 frames.

Each 12 x 10 min

Binning
RGB 1 x 1
Field of view and resolution
Approx 4.8 x 3.6 Degrees. 6 Arcsec / Pixel
Comments  

Various other Messier, NGC and IC objects fall in this field of view. This mosaic of four frames has a total exposure time of 24 hours. The Ha data was used as luminance. Another version of the image using a different pallete (Ha = red, SII = green, OII = blue) can be found at:

GAMMA CYGNUS Ha-S2-O3