NGC 7293
Helix Nebula. Planetary Nebula, Aquarius
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) 35x5 mins      = 175 mins
- Red
(Astrodon) 25x5 mins                    = 125 mins
- Green
(Astrodon) 11x5 mins                = 55 mins
- Blue
(Astrodon) 12x5 mins                   = 60 mins
 
Total Exposure Time =  6h 55m
Details:

Data Imaged remotely over 5 nights (Nov 9, 10, 14, 15, & 16, 2009). Very poor seeing conditions.
© 2009, David A. Churchill
Links:

The ASA N16 Telescope