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ngc891

Click on photo for a larger image.
Right-Click and "Save Target As" here for the highest resolution version of this image.
For another view of this image, click here for a version of the same data processed by Robert Gendler.
Object Notes:
  • Constellation: Andromeda
  • Location: RA: 02h 22m 36.0s Dec: +42d 21' 00" Epoch 2000
  • Size: 13.1 x 2.8 arc-minutes
  • Magnitude: 9.9
  • Type: Spiral Galaxy
  • AKA: ugc 1831
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:
19 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:
11/17/04
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS