M101
Spiral Galaxy (type Sc), Ursa Major
Click image for 1500x1000 view

ASA N16 f3.6
AP 1200GTO
SBIG STL-11000M

SBIG STL-Internal
March 2009. Cave Creek Canyon Observatory, Arizona Sky Village
Equipment:

Telescope:
Mount:
Camera:
Guider:
Filters:

- Luminance (Astrodon) 48x5 mins      = 480 mins
- Red
(Astrodon) 24x5 mins                    = 120 mins
- Green
(Astrodon) 24x5 mins                = 120 mins
- Blue
(Astrodon) 24x5 mins                   = 120 mins
 
Total Exposure Time =  10h 00m
Details:

Data Imaged remotely over 7 nights (Mar 1, 2, 17, 18, 21, 27, & 28).
2009, David A. Churchill