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IC10 Irregular Dwarf Starburst Galaxy in Cassiopeia

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IC 10 is one of those hiding a little bit behind dust and stars near the plane of our Milky Way Galaxy. Not so far away in cosmic scale: 2.3 million light-years distant. Its light dimmed by the intervening dust, the irregular dwarf galaxy still shows off vigorous star-forming regions that shine with reddish glow. It is a member of the Local Group of galaxies, IC 10 is the closest known starburst galaxy. Compared to other Local Group galaxies, IC 10 has a large population of newly formed stars that are massive and intrinsically very bright, including a luminous X-ray binary star system thought to contain a black hole. Located within the boundaries of the northern constellation Cassiopeia, IC 10 is about 5,000 light-years across.

Photo Details

  Telescope: Celestron C8N (1000mm)

  Camera: Sbig ST-2000XM, Sbig Filter wheel, Baader 1.25" HLRGB filters

  Mount: NJP Takahashi

  Guiding: Self-guided

  Exposure: LRGB 5h L 18x720sek, R 3x600sek, G 3x520sek, B 3x600sek

  When: August/September 2011

  Other information: good transparency, good or very good seeing

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