M51 Whirlpool Nebula ~ Spiral Galaxy, type Sc, Canes Venatici |
Click image for 1500x1000 view |
ASA N16 f3.6 AP 3600GTO 'El Capitan" SBIG STL-11000M SBIG STL-Internal |
April 2009. Cave Creek Canyon Observatory, Arizona Sky Village |
Equipment: Telescope: Mount: Camera: Guider: |
Filters: - Luminance (Astrodon) 35x5 mins = 350 mins - Red (Astrodon) 24x5 mins = 120 mins - Green (Astrodon) 24x5 mins = 120 mins - Blue (Astrodon) 24x5 mins = 120 mins Total Exposure Time = 11h 50m |
Details: Data Imaged remotely over 4 nights (Mar 30, Apl 17, 18 & 19). |
© 2009, David A. Churchill |