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The Pleiades is an open star cluster in the constellation of Taurus. It is well known to people in Japan as "Subaru". Japanese people have seen this one of the most beautiful star in the night sky from ancient time. Since it is so bright that we can see it by naked eye. I took this picture by Takahashi Epsilon 250 and STL-11000M camera.
Optics: Takahashi EP250 Telescope, Hercules Mount
Camera: SBIG STL-11000M, Astronomik LRGB filter and Halpha filter
Exposure: Luminance=80minutes, R=20min, G=20min, B=20min
Software: StellaImage6, PhotoshopCS4
Location: Bizen city, Okayama Prefecture