astroimages
Darin E. Fields' Astrophotography Pages
 

NGC 7023: Cluster with nebulosity in Cepheus

Right Ascension: 21 : 00.5 (hours : minutes)
Declination: +68 : 10 (degrees : minutes)
Apparent Magnitude: 7. p
Apparent Diameter: 18. (arc minutes)
More information on NGC 7023

Exposure: LRGB Exposure: L=20 minutes (10x120sec.), R=10 minutes (5x120sec.), G=10 minutes (5x120sec.), B=10 minutes (5x120sec.).
Camera: ST-237 cooled @ -21c
Guiding: ST-4 on ST-80 @ f/10
Telescope: 8" f/4 Newtonian
Mount: Losmandy G-11
Acquisition and Processing: Maxim/DL, Photoshop 6.0 and SGBNR smoothing
Date: 5-05-02
ngc7023-lrgb-sgbnr: