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COMA CLUSTER (GALAXY CLUSTER IN THE COMA BERENICES CONSTELLATION)

COMA CLUSTER (GALAXY CLUSTER IN THE COMA BERENICES CONSTELLATION)

Click on photo for a larger image.

Object Notes:
  • Constellation: Coma Berenices
  • Location: RA: 13h 00m 08s Dec: 28d 03' 12" Epoch 2000
  • Type: Galaxy Cluster
  • AKA: Abell 1656
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: Mosaic of 4 frames, each frame with:
15 x 5 minutes Luminance unbinned,
5 x 5 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: February, 2006
Post Processing: CCDSoft, CCDSharp, MaxIM DL, Photoshop CS

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