astroimages
Darin E. Fields' Astrophotography Pages
 

NGC 2903

Right Ascension: 9 : 32.2 (hours : minutes)
Declination: +21 : 30 (degrees : minutes)
Apparent Magnitude: 8.9
Apparent Diameter: 12.6 (arc minutes)
More information on NGC 2903

Exposure:65 minute LRGB exposure (L=35 minutes (50 x 30sec + 10 x 60sec.), R=10 minutes (10x 60sec.), G=10 minutes (10x 60sec.), B=10 minutes(10x 60sec.))
Camera:ST-237 cooled at -30c
Guiding: ST-4 on f/11 90mm
Telescope: f/4 8" newtonian
Mount: Losmandy G-11
Processing:Maxim/DL, Photoshop 6.0
Date:2-06-02
ngc2903-a1:

Exposure:40 minute LRGB exposure (L=25 minutes, R=5 minutes, G= 5 minutes, B=5 minutes)
Camera:ST-237 cooled at -30c
Guiding: ST-4 on f/11 90mm
Telescope: f/5 ST-80
Mount: Losmandy G-11
Processing:Maxim/DL, Photoshop 6.0
Date:2-13-02
ngc2903lrgb-1: