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ngc4631

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Object Notes:
  • Constellation: Canes Venatici
  • Location: RA: 12h 42m 6.0s Dec: +32d 32' 00" Epoch 2000
  • Size: 15.2 x 2.8 arc-minutes
  • Magnitude: 9.2
  • Type: Spiral Galaxy
  • AKA: UGC 7865
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:
22 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:
03/02/06 (Luminance), 3/07/05 (Color)
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS