California Nebula

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California Nebula in Perseus

California Nebula is a large emission nebula in Perseus. It is almost 3 filds long on the sky. It is so difficult to observe visually. But we can take a photograph of it easily. So, this nebula is very popular in Japan. Here's a link of a larger image.

Imaging information

Optics: Takahashi Epsilon180ED, Pentax MS5 Mount

Camera: SBIG STL-11000M, Astronomik H-alpha filter

Exposure: Halpha=200minutes

Software: Stellaimage5, PhotoshopCS

Location: Takarazuka City, Hyogo Prefecture, 2007

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