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Cave Nebula M31
Cave Nebula
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Cave Nebula
Cave Nebula is a bright emission nebula and star-forming region. The stars shown here are members of the Cepheus OB3 association, and are young, being less than 100,000 years old. The brighter regions of the nebula are those that are illuminated by the stars SAO 20334 (towards the right) and SAO 20335 (towards the top).
Imaging information
Optics: Takahashi Epsilon250, Herclus Mount
Camera: SBIG STL-11000M, Astronomik LRGB filter
Exposure: Luminance=80minutes, R=20min, G=20min, B=20min
Software: StellaImage6, PhotoshopCS
Location: Hattouji Park, Okayama Prefecture, 2008