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Constellation of the northern sky

Genitive	Herculis
Abbreviation	Her
Constellation Family	Hercules
Celestial Quadrant	NQ3
Right Ascension	15h47 to 18h56
Declination	+3.9° to +51.3°
Area (sq deg)	1,225
Brightest Stars	Kornephoros and Rasalgethi (variable stars with almost identical maximum magnitudes)
Optimum Visibility	June

A large constellation of the northern sky, particularly noted for the Globular Cluster M13.

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