AstroGallery

M97 (OWL NEBULA)

M97 (OWL NEBULA)

Click on photo for a larger image.

Object Notes:
  • Constellation: Ursa Major
  • Location: RA: 11h 14m 48.0s Dec:+55d 01' 00" Epoch 2000
  • Size: 202 x 196 arc-seconds
  • Magnitude: 11.2
  • Type: Planetary Nebula
  • AKA: "Owl Nebula", ngc3587, PK 148+57.1
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: 12 x 5 minutes Luminance unbinned
4 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: 3/09/05
Post Processing: CCDSoft, CCDSharp, MaxIM DL, Photoshop CS

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