astroimages
Darin E. Fields' Astrophotography Pages
 

NGC 457: Open Cluster in Cassiopeia

Right Ascension: 1 : 19.1 (hours : minutes)
Declination: +58 : 20 (degrees : minutes)
Apparent Magnitude: 6.4
Apparent Diameter: 13. (arc minutes)
More information on NGC 457

Exposure: 180 seconds
Camera: SBIG ST-237 cooled at -22c
Guiding: SBIG ST-4
Telescope: 8" f/ Newtonian
Mount: Losmandy G-11
Processing: Maxim/DL
Date: 9/17/01
ngc457-cal: