Misti Mountain Observatory - Astronomy Pages
Galaxies
Nebulae
Star Clusters
Solar System
7" Refractor
Film
Equipment
Site
Home

M72 (Globular Cluster)

Click on photo for a larger image.
Right-Click and "Save Target As" here for the highest resolution version of this image.
Object Notes:
  • Constellation: Aquarius
  • Location: RA: 20h 53m 30.0s Dec: -12d 32' 00" Epoch 2000
  • Size: 5.9 arc-minutes
  • Magnitude: 9.4
  • Type: Globular Cluster
  • AKA: ngc6981
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:
21 x 1 minute Luminance unbinned,
5 x 1 minute 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:
10/07/04, 10/25/05
Post Processing:
CCDSoft, CCDSharp, MaxIM DL, Photoshop CS