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m75 (Globular Cluster)

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Object Notes:
  • Constellation: Sagittarius
  • Location: RA: 20h 06m 6.0s Dec: -21d 55' 00" Epoch 2000
  • Size: 6.0 arc-minutes
  • Magnitude: 8.6
  • Type: Globular Cluster
  • AKA: ngc6864
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:
9 x 1 minutes Luminance unbinned 7 x 1 minutes each R/G/B, 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:
9/14/04
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS