IC 1396
The Elephant Trunk Nebula, Cepheus
Click image for 1500x1000 view

AP 155EDF f7
AP 1200GTO
SBIG STL-11000

SBIG STL-Remote
October 2007. Cave Creek Canyon Observatory, Arizona Sky Village
Equipment:

Telescope:
Mount:
Camera:
Guider:
Filters:

- H-alpha
(Astrodon) 19x20 mins              = 380 mins
- Red (Astrodon) 10x10 mins (mean)         = 100 mins
- Green
(Astrodon) 18x10 mins (mean)     = 180 mins
- Blue
(Astrodon) 10x10 mins (mean)        = 100 mins

Total Exposure Time =  12h 40m
Details:

H-alpha data Imaged remotely over 3 nights (June 23, 24 & 25). RGB data imaged over 2 nights (Oct 7 & 8). 
© 2007, David A. Churchill