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Photographer:

Timo-Pekka Metsälä

Email:

timo-pekka.metsala@pp.inet.fi

Location of Photo:

Espoo, Finland

Date/Time of photo:

August 11, 2006

Equipment:

Takahashi FS-102NSV refractor on a Takahashi EM-200 German equatorial mount, Atik ATK-16HR CCD camera. True Technology SupaSlim Filter Wheel Astronomik S-II, H-alpha and O-III filters.

Description:

"The Pacman Nebula" NGC 281 in Cassiopeia with narrowband emission line filters. The red color represents ionized sulphur (S-II), green is ionized hydrogen (H-alpha), and the blue is doubly ionized oxygen (O-III). The total exposure time is 3 hours.

Website:

http://timosastro.1g.fi

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