RASALGETHI (Alpha Herculis). Just to the west of the bright star Vega lies the constellation Hercules, which commemorates the great and strong mythological Greek hero.
Ras Algethi Alpha Herculis
Ras Alhague Alpha Ophiuchi
Ras Elased Australis Epsilon Leonis
Rasalas Mu Leonis
Rastaban Beta Draconis
Ras Thaoum Alpha Geminorum
Regor Gamma Velorum
Regulus Alpha Leonis
Rigel Beta Orionis
Rigil Kentaurus Alpha Centauri ...
Alpha Herculis, a red giant star that varies from third to fourth magnitude, is called Rasalgethi, from the Arabic meaning ‘the kneeler's head'.
Even though Hercules is the fifth largest constellation in the sky, it does not abound in bright stars. [4128] alpha Herculis, also known as Rasalgethi ("the kneeler's head"), ...
DoDz7 - Very easy to locate, but very easy to dismiss as just background stars. Just 2 degrees north-west of Alpha Herculis. Quite faint, only a few stars visible, about a quarter-degree in size. The poorest of the Hercules clusters.
This is a rather close star, at 54 light years away, and a celestial neighbour of Ras Algethi (alpha Herculis), which lies to the WNW five degrees. Ophiuchus has a half-dozen or so visual doubles, and even more star clusters.
 See also: Star, Sky, Magnitude, Earth, Constellation
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