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Birthday · May 8, 1999

Moon Occults Saturn

May 8, 1999

Somewhere between the Big Bang and this birthday, the universe learned how to make kindness, curiosity, humor, memory, and hope.

Moon Occults Saturn

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APOD published May 8, 1999. Credit: K. Stanek (CfA), W. Colley (Princeton). A publication-date match, not a photo taken on your date. Independent of NASA.

Behind the image

Moon Occults Saturn

Original APOD · May 8, 1999

On September 18, 1997, many stargazers in the U. S. were able to watch a lovely early morning lunar occultation as a bright Moon passed in front of Saturn. Using a 1.2 meter reflector, astronomer Kris Stanek had an excellent view of this dream-like event from the Whipple Observatory atop Arizona's Mount Hopkins. This animated gif image was constructed by Wes Colley from 4 frames taken by Stanek at 35 second intervals as the ringed planet emerged from behind the Moon's dark limb. While lunar occultations of fairly bright stars and planets are not extremely rare events, their exact timing depends critically on the observer's location.

Image credit: K. Stanek (CfA), W. Colley (Princeton)

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