Sharpless2-140 is located in Cepheus. It was created by the B0.5 V star HD 211880 exciting the southwest side of the Cepheus Bubble, a large molecular cloud that has a diameter of 500 light years and is 2,700 light years distant.

Image Date: 08/16/2007
Details: Exposure Time: 6.5 hrs; 2 hrs. Lum, 1.5 hrs H-a, 1 hr each R,G,B
Camera: SBIG  STL11000
Telescope: RC Optical  16" f/8.9 Ritchey-Chretien
Mount: Software Bisque  Paramount ME

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