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NGC7023 (Iris Nebula)

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: Cepheus
  • Location: RA: 21h 00m 30.0s Dec: +68d 10' 00" Epoch 2000
  • Size: 5 x 5 arc-minutes
  • Magnitude: 7.1
  • Type: Diffuse Nebula/Open Cluster
  • AKA: OCL 235
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:
17 x 5 minutes Luminance unbinned
5 x 5 minutes each R/G/B, all binned 3x3
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:
10/14/04
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS