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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:23 
Transit: 12:14 
Sunset: 17:05
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
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All Constellations » Hercules » 

α2 Herculis (alpha2 Herculis)

Above the horizon.  Rise: 0:40 | Tran: 7:53 | Set: 15:05
Alt: 47.88°   Az: 217.31°   Direction: South-West

α2 Herculis is a multiple giant star of spectral class G5 in the constellation of Hercules.

α2 Herculis visual magnitude is 5.39. Because of its faintness, α2 Herculis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of α2 Herculis (alpha2 Herculis) star
DSS2 image of α2 Herculis. The red arrow shows the motion of α2 Herculis during the next 10000 years (-0.50 arcmin in Right Ascension and 7.50 arcmin in declination);

Celestial Coordinates

Apparent

17h 15m 47s
+14° 21’ 46”
01h 39m 15s
18h 55m 03s

J2000

17h 14m 39s
+14° 23’ 24”

Galactic Coordinates

35.53°
27.82°

Finder Chart

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Finder chart for α2 Herculis (alpha2 Herculis).

Magnitude, Color, Spectral Class

5.39
Giant

G5III
10125K

Star System Properties

α2 Herculis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the α2 Herculis double sysyem:

5.39
7.59
2.2
4.9 arcsec

Alternative Designations

α2 Herculis
(alpha2 Herculis)
64 Herculis
SAO102681
SAO102681

Visibility from Your Location

Today's α2 Herculis (alpha2 Herculis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 75.6°
Max altitude: 52.9°
Azimuth: 284.4°