The Cave Nebula


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By
Catalog
Obj Type
Location
Date Taken:
Smoot
Sh2 155
Nebula
Mayhill, NM
10-20-2007
Description

The "Cave" nebula, Sh2-155 or Caldwell 9, is a dim and very diffuse bright nebula within a larger nebula complex containing emmison, reflection, and dark nebulosity.

Visually it is a difficult object, but with adequate exposure, makes a striking image. The nebula gets it's name from the dark lane at the eastern side that has the appearance of a deep cave.

This image was produced using data collected between  8/28/07 to 9/12/07.

Technical Details
Exposure Time:
HaR-G-HaB with 2.25 hours of ha, 2 hours of Red, 0.5 hours of Green, and 1.5 hours of Blue
Camera:
SBIG STL-11000M
Telescope:
RCOS 16 inch f/8.7 Ritchey-Chretien
Mount:
Software Bisque Paramount ME
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Used with permission, No reproduction of these images are permitted without written approval from Smoot.