Barnard 72
The Pipe Nebula. Dark Nebula, Ophiuchus
Click image for 1500x1000 view

300mm Nikon ED-AIS Lens @ f2.8
AP 3600GTO "El Capitan"
SBIG STL-11000M

SBIG STL-External/eFinder
March 2015. Cave Creek Canyon Observatory, Arizona Sky Village
Equipment:

Telescope:
Mount:
Camera:
Guider:
Filters:

- Luminance (Astrodon) 8x5 mins     = 40 mins
- OSC/Lum
(Astrodon) 5x10 mins      = 50 mins
 
Total Exposure Time =  1h 30m
Details:

Luminance data Imaged remotely over one night (Mar 35, 2015). Combined with RGB data from July 2014.
2015, David A. Churchill
Links:

B72 Image - July 2014