Rasalgethi (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , Rasalgethi is visible in the morning sky, becoming accessible around 23:53, when it reaches an altitude of 16° above your eastern horizon. It will then reach its highest point in the sky at 05:15, 62° above your southern horizon. It will be lost to dawn twilight around 05:16, 62° above your southern horizon.
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Name
Rasalgethi
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Object type
Star
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Other names
Position
| Right ascension: | 17h14m38s [2] |
| Declination: | +14°23'25" [2] |
| Constellation: | Hercules |
| Magnitude: Variable | 3.34 (V) [2] 5.08 (BT) [2] 3.48 (VT) [2] |
| Distance: | 110.3 parsec 359.4 lightyrs [3] |
| B-V Color (mag): | 1.36 |
| Proper motion (speed): | 36.8 mas/yr[3] |
| Proper motion (pos ang): | 348.5° |
Derived quantities
| Absolute mag (V): | -1.88 |
Sources