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ngc4725

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Object Notes:
  • Constellation: Coma Berenices
  • Location: RA:12h 50m 24.0s Dec:+25d 30' 00" Epoch 2000
  • Size: 10.4 x 7.2 arc-minutes
  • Magnitude: 9.4
  • Type: Spiral Galaxy
  • AKA: UGC 7989
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.)
with Astrodon Tru-Balance color filters.
Exposure:
15 x 5 minutes Luminance unbinned
6 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:
3/11/05
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS