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Illustrated Guide to Astronomical Wonders by Barbara Fritchman Thompson, Robert Bruce Thompson

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16Corona Borealis, The Northern Crown

NAME: Corona Borealis (kuh-ROE-nuh BOR-ee-AL-is)

SEASON: Spring

CULMINATION: midnight, 19 May

ABBREVIATION: CrB

GENITIVE: Coronae Borealis (kuh-ROE-neye BOR-ee-AL-is)

NEIGHBORS: Boo, Her, Ser

BINOCULAR OBJECTS: none

URBAN OBJECTS: none

Corona Borealis (CrB) is a small, relatively inconspicuous mid-northerly constellation, ranking 73rd in size among the 88 constellations. It covers 179 square degrees of the sky, or about 0.4%. CrB lies midway between the square of Hercules and the kite of Boötes. Its brightest star is magnitude 2.2 5-α (alpha), also known as Alphekka. All other stars in CrB are fourth-magnitude or dimmer. Despite its paucity of bright stars, CrB stands out in a relatively empty area of the ...

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