Friday, January 13, 2012

APOD 2.8

Jan. 11, 2012: Little Planet Lovejoy

See Explanation.
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     This photo of comet Lovejoy, taken on December 30th in the morning shows the comet on the edge of Earth.  The photo was put together using little planet projection, which is a type of stereographic projection used to map the image pixels.  The stars Sirius and Canopus are also visible in this photo (taken in Victoria, Australia) and are to the right of the planet.  Comet Lovejoy's tail is visible to the northwest of Earth.

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