AstroGallery

M17 (OMEGA NEBULA)

M17 (OMEGA NEBULA)

Click on photo for a larger image.

Object Notes:
  • Constellation: Sagittarius
  • Location: RA: 18h 20m 48.0s Dec: -16d 11' 00" Epoch 2000
  • Size: 11 x 11 arc-minutes
  • Magnitude: 6.0
  • Type: Diffuse Nebula/Open Cluster
  • AKA: Omega Nebula, Swan Nebula, ngc6618
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: 16 x 1 minutes Luminance unbinned
6 x 15 minutes Hydrogen Alpha unbinned (Astrodon 6nm filter)
8 x 1 minutes each 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: 5/12/05
Post Processing: CCDSoft, CCDSharp, MaxIM DL, Photoshop CS

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