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Constellation family of the northern and southern skies

Number of members19
Member constellationsAquila, Ara, Centaurus, Corona Australis, Corvus, Crater, Crux, Cygnus, Hercules, Hydra, Lupus, Lyra, Ophiuchus, Sagitta, Scutum, Serpens, Sextans, Triangulum Australe, Vulpecula
Celestial QuadrantsPrimarily NQ3, NQ4, SQ2 and SQ3, with some member constellations extending into NQ2 and SQ4
Right Ascension8h13 to 22h04
Declination+61.4° to -70.3°
Total Area (sq deg)9,029
Brightest StarAlpha Centauri (Rigil Kentaurus) in Centaurus
Optimum VisibilityJuly (northern grouping around Hercules)
April (southern grouping around Hydra)
NotesBy far the largest and most populous of the eight constellation families, the Hercules family is separated into northern and southern subgroups by the Zodiac family running along the Ecliptic. Together the constellations of this family encompass more than a fifth of the entire celestial sphere.


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