AstroGallery

NGC247

NGC247

Click on photo for a larger image.

Object Notes:
  • Constellation: Cetus
  • Location: RA: 00h 47m 6.0s Dec: -20d 46' 00" Epoch 2000
  • Size: 21.0 x 5.6 arc-minutes
  • Magnitude: 9.1
  • Type: Spiral Galaxy
  • AKA: ESO 540-22
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: 12 x 5 minutes Luminance unbinned
3 x 5 minutes each R/G/B, all binned 3x3
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: 9/11/04
Post Processing: CCDSoft, CCDSharp, MaxIM DL, Photoshop CS

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