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APOD

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

Look West for a NEAT Comet

Explanation: On May 5th, while scanning western skies after sunset, astronomer Jimmy Westlake was glad to spot a visitor from the outer solar system, Comet NEAT , with his own eyes. Taken with a normal lens, the picture records his memorable view of comet , clouds, and Colorado Rocky Mountains against a backdrop of many faint stars (most not visible to the unaided eye) and one very bright one. In the three minute time exposure, the comet is seen as a fuzzy greenish smudge left of center, with brilliant Sirius , alpha star of the constellation Canis Major , just above the low cloud bank on the right. Comet NEAT (C/2001 Q4) is now near its closest aproach to planet Earth and tonight will lie well above bright Sirius. Look for the comet - the third naked-eye comet in as many weeks - after sunset in clear, dark, western skies.

Date May 7, 2004
Credit Credit & Copyright: Jimmy Westlake ( Colorado Mountain College )
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.