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ic431, ic432

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Object Notes:
  • Constellation: Orion
  • Location: RA: 05h 40m 40s Dec: -01d 31m 00s Epoch 2000
  • Type: Diffuse Nebula
  • AKA: LBN 944/LBN 946
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,
3 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:
11/18/04
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS