Sh2-254, 255, 256, 257
Emission Nebula, Orion
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:

- H-Alpha (Astrodon) 16x10 mins          = 160 mins

 
Total Exposure Time =  2h 40m
Details:

Data Imaged remotely over 4 nights (Mar 17, 18, 21, & 23, 2009)
© 2009, David A. Churchill
Links:

The ASA N16 Telescope        Close-up View