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Ras Algethi, Alpha Herculis

Semiregular Variable, type SR c, in Hercules

Right Ascension 17 : 14 : 38.8 (h:m:s)

Declination +14 : 23 : 25 (deg:m:s)

Distance (ly)

Visual brightness 3.1 .. 3.9 (mag)

Spectra type M5Ib-II