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Darin E. Fields' Astrophotography Pages
 

NGC-7789: Open Cluster in Cassiopeia

Right Ascension: 23 : 57.0 (hours : minutes)
Declination: +56 : 44 (degrees : minutes)
Apparent Magnitude: 6.7
Apparent Diameter: 16. (arc minutes)
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
ngc7789-rgb1: