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Birthday · November 25, 1997

The Comet and the Galaxy

November 25, 1997

Somewhere in the sky tonight, a star is being born in a cloud of gas and dust, beginning a journey that will last billions of years.

The Comet and the Galaxy

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APOD published November 25, 1997. Credit: J. C. Casado. A publication-date match, not a photo taken on your date. Independent of NASA.

Behind the image

The Comet and the Galaxy

Original APOD · November 25, 1997

The Moon almost ruined this photograph. During late March and early April, Comet Hale-Bopp passed nearly in front of the Andromeda Galaxy. Here the Great Comet of 1997 and the Great Galaxy in Andromeda were photographed together on March 24th. The problem was the brightness of the Moon. The Moon was full that night and so bright that long exposures meant to capture the tails of Hale-Bopp and the disk of M31 would capture instead only moonlight reflected off the Earth's atmosphere. By the time the Moon would set, this opportunity would be gone. That's why this picture was taken during the lunar eclipse.

Image credit: J. C. Casado

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