Astronomy Picture of the Day

APOD: 2023 January 3 Á Kembles Cascade of Stars
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APOD: 2023 January 3 Á Kembles Cascade of Stars
Credit & Copyright: Tommy Lease
Explanation: This line of stars is real. A little too faint to see with the unaided eye, KembleÁs Cascade of stars inspires awe when seen with binoculars. Like the Big Dipper though, KembleÁs Cascade is an asterism, not a constellation. The asterism is visible in the northern sky toward the long-necked constellation of the Giraffe (Camelopardalis). This string of about 20 unrelated stars, each of similar brightness, spans over five times the angular width of the full moon. Stretching diagonally from the upper left to the lower right, Kemble's Cascade was popularized last century by astronomy enthusiast Lucian Kemble. The bright object near the top left of the image is the relatively compact Jolly Roger open cluster of stars, officially designated as NGC 1502.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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Based on Astronomy Picture Of the Day

Publications with keywords: asterism
Publications with words: asterism
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