NGC-7789: Open Cluster in Cassiopeia
| Right Ascension: | 23 : 57.0 (hours : minutes)
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| Declination: | +56 : 44 (degrees : minutes)
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| Apparent Magnitude: | 6.7
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| Apparent Diameter: | 16. (arc minutes)
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More information on NGC-7789
Exposure: 18 minute LRGB (L=180, R=300, G=300, B=300) exposure
Camera: SBIG ST-237 cooled at -26c
Guiding: SBIG ST-4
Telescope: 8" f/4 Newtonian
Mount: Losmandy G-11
Processing: Maxim/DL and Photoshop 6.0
Date: 9/14/01 |
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