SH2-155 Cave Nebula
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Type Location r.a. dec. Size Magnitude Distance
Nebula Cep 22h56.8 +62°37' 50' x 30' 8 2.4 Kly

The Cave Nebula, Sharpless 155 (Sh2-155) or Caldwell 9, is a dim and very diffuse bright nebula within a larger nebula complex containing emission, reflection, and dark nebulosity. It is located in the constellation Cepheus at a distance of about 2,400 light-years.

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More from Wikipedia

Date Telescope Binning Exp Time (s) Special processing Notes
Sep 13, 2002 Centurion
18"
L 1:1
RGB 3:1
L 3x300
R,G,B 300
LRGB, DDP