Sh2-101, The Tulip Nebula


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By
Catalog
Obj Type
Location
Date Taken:
Smoot
Sh2 101
Nebula
Mayhill, NM
09-16-2010
Description

Sh2-101 is an emission nebula that is located in the constellation Cygnus (near eta Cygni).  It lies at a distance of about 8750 light years.  It has a diameter of about 9 light years and is being illuminated by the blue star that is near the center of the image.  Also shown in this image is the star HD226868, a supergiant around which the X-ray source Cygnus X-1 orbits.  Cygnus X-1 is almost certainly a black hole.  This system lies at a distance of about 6000 light years.

Technical Details
Exposure Time:
3.5 hrs Ha, 2hrs each RGB
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.