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Spring Triangle

Asterism of the spring sky (Northern Hemisphere)

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Constellation FamiliesUrsa Major, Zodiac
Celestial QuadrantsNQ2, NQ3
Right Ascension10h09 to 14h17
Declination+19° 06' to -11° 15'
Area (sq deg)880
Brightest StarArcturus
Optimum VisibilityApril
NotesAn asterism of three bright stars shining prominently in northern spring skies: Arcturus in Boötes, Spica in Virgo and Regulus in Leo (or the more easterly Denebola in Leo, according to some sources). The Spring Triangle encompasses the southern part of the larger group known as the Great Diamond.


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