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Last updated on April 24, 2014 at 14:55 EDT
The Eta Carinae nebula NGC3372
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The Eta Carinae nebula, NGC3372

February 22, 2005
The center of the Eta Carinae Nebula, also known as the Keyhole Nebula. as seen by the Cerro Tololo 4-meter Blanco telescope in 1976.

The central portion of the Eta Carinae Nebula, NGC 3372, also known as the Keyhole Nebula, in the constellation of Carina. This gaseous bright nebula surrounds the peculiar variable star Eta Carinae, with overlying clouds of dark material. The nebula is 9000 light-years from Earth. Cerro Tololo 4-meter Blanco telescope, 1976: north is at the top.