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M51 (Whirlpool Galaxy)

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Object Notes:
  • Constellation: Canes Venatici
  • Location: RA: 13h 29m 53.3s Dec: +47d 11' 48" Epoch 2000
  • Size: 10.8 x 5.5 arc-minutes
  • Magnitude: 8.4
  • Type: Spiral Galaxy
  • AKA: Whirlpool Galaxy, ngc5194
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:
15 x 5 minutes Luminance unbinned
5 x 5 minutes each R/G/B 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:
4/14/05
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS