AstroGallery

IC5146 - COCOON NEBULA

IC5146 - COCOON NEBULA

Click on photo for a larger image.

Object Notes:
  • Constellation: Cygnus
  • Location: RA: 21h 53m 30s Dec: 47d 16m 00s
  • Size: 20 x 10 arc-minutes
  • Magnitude: 7.4
  • Type: Diffuse Nebula/Open Cluster
  • AKA: OCL 213
Instrument: Ritchey-Chretien 32" Telescope
Focal Ratio: f7.2 (prime focus)
Camera: SBIG STL-11000 CCD camera
(See product review in July, 2004 issue of Sky & Telescope magazine.)
Exposure: 9 x 5 minutes Luminance unbinned
3 x 5 minutes R/G/B, all unbinned
Guiding: Off-Axis with STV Autoguider (Santa Barbara Instrument Group)
(See product review in May, 2003 issue of Astronomy magazine.)
See Photo/Guiding Equipment.
Date: 9/04/05
Post Processing: CCDSoft, CCDSharp, MaxIM DL, Photoshop CS

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