NGC 1491 Emission Nebula, Perseus |
Click image for 1500x1000 view |
ASA N16 f3.6 AP 3600GTO "El Capitan" SBIG STL-11000M SBIG STL-Internal |
November 2009. Cave Creek Canyon Observatory, Arizona Sky Village |
Equipment: Telescope: Mount: Camera: Guider: |
Filters: - Luminance (Astrodon) 48x5 mins = 240 mins - Red (Astrodon) 12x5 mins = 60 mins - Green (Astrodon) 15x5 mins = 75 mins - Blue (Astrodon) 12x5 mins = 60 mins - H-Alpha (Astrodon) 37x10 mins = 370 mins Total Exposure Time = 13h 25m |
Details: Data Imaged remotely over 4 nights (Nov 17, 18, 19, & 20, 2009). Combined with Ha Image from December 2008. |
© 2009, David A. Churchill |
 |
|
|
|
