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MARDI 7 JUILLET 2026 À 10:13 UTC+2

Observation of the Hercules constellation

Visualize in real time the position of the Hercules constellation in the sky.

General presentation

The constellation of Hercules is a large constellation visible mainly in summer in the northern hemisphere. Although its stars are relatively discrete, it is famous for containing the large globular cluster M13, one of the most beautiful deep-sky objects.

Shape of the Hercules constellation

Its central part is formed by an asterism called the Keystone, a quadrilateral of stars from which the arms and legs of the character are drawn.

Stars of the Hercules constellation

StarMagnitudeDistanceEquatorial position J2000Current Equatorial PositionCurrent Horizontal Position at MarseilleLink
Rasalgethi2.73359 light yearsRight ascension :
17ʰ14ᵐ38.858ˢ
Declination : 14°23'38.858″		Right ascension :
17ʰ15ᵐ53.26351324ˢ
Declination :
14°21′38.4837439903″		Azimut :
152.52383829520642°
Altitude :
-28.009629442884236°
Kornephoros2.77139 light yearsRight ascension :
16ʰ30ᵐ13.2ˢ
Declination : 21°29'13.2″		Right ascension :
16ʰ31ᵐ23.4601350389ˢ
Declination :
21°25′56.6284086064″		Azimut :
165.98865121257774°
Altitude :
-24.04828379386829°
Gamma Herculis3.76193 light yearsRight ascension :
16ʰ21ᵐ55.214ˢ
Declination : 19°9'55.214″		Right ascension :
16ʰ23ᵐ7.2341855708ˢ
Declination :
19°5′28.8821957115″		Azimut :
167.64270679583038°
Altitude :
-26.695755138486902°
Omega Herculis4.57241 light yearsRight ascension :
16ʰ25ᵐ24.9552ˢ
Declination : 14°1'24.9552″		Right ascension :
16ʰ26ᵐ39.8620754952ˢ
Declination :
13°58′26.0972333448″		Azimut :
165.65850333662232°
Altitude :
-31.585442478060706°
Zeta Herculis2.8135 light yearsRight ascension :
16ʰ41ᵐ17.161ˢ
Declination : 31°36'17.161″		Right ascension :
16ʰ42ᵐ20.5493705535ˢ
Declination :
31°32′57.524091433″		Azimut :
165.5965343984761°
Altitude :
-13.646755100813893°
Epsilon Herculis3.92155 light yearsRight ascension :
17ʰ0ᵐ17.374ˢ
Declination : 30°55'17.374″		Right ascension :
17ʰ1ᵐ20.2530582825ˢ
Declination :
30°53′17.0302599597″		Azimut :
161.38025330274397°
Altitude :
-13.306225203732872°
Delta Herculis3.1475.1 light yearsRight ascension :
17ʰ15ᵐ1.911ˢ
Declination : 24°50'1.911″		Right ascension :
17ʰ16ᵐ8.8594092344ˢ
Declination :
24°48′36.1380494924″		Azimut :
156.25860816990493°
Altitude :
-18.138841531696105°
Xi Herculis3.7136.8 light yearsRight ascension :
17ʰ57ᵐ45.886ˢ
Declination : 29°14'45.886″		Right ascension :
17ʰ58ᵐ49.4135497686ˢ
Declination :
29°14′48.2145172263″		Azimut :
148.90505757211602°
Altitude :
-10.445545579894494°
Omicron Herculis3.83338 light yearsRight ascension :
18ʰ7ᵐ32.55073ˢ
Declination : 28°45'32.55073″		Right ascension :
18ʰ8ᵐ36.5296391142ˢ
Declination :
28°46′.7053088044″		Azimut :
146.74042385046735°
Altitude :
-9.927574755328683°
Pi Herculis3.16377 light yearsRight ascension :
17ʰ15ᵐ2.834ˢ
Declination : 36°48'2.834″		Right ascension :
17ʰ16ᵐ.2830997986ˢ
Declination :
36°46′48.9340580587″		Azimut :
160.15209593565478°
Altitude :
-6.785940164707315°
Eta Herculis3.53108.6 light yearsRight ascension :
16ʰ42ᵐ53.765ˢ
Declination : 38°55'53.765″		Right ascension :
16ʰ43ᵐ50.0296110257ˢ
Declination :
38°52′27.7791201758″		Azimut :
166.87304696349065°
Altitude :
-6.423776228947801°
Tau Herculis3.89307 light yearsRight ascension :
16ʰ19ᵐ44.437ˢ
Declination : 46°18'44.437″		Right ascension :
16ʰ20ᵐ34.4346640217ˢ
Declination :
46°15′6.218011327″		Azimut :
172.39334409285425°
Altitude :
0.08195091915557151°
Chi Herculis4.6251.9 light yearsRight ascension :
15ʰ52ᵐ40.54105ˢ
Declination : 42°27'40.54105″		Right ascension :
15ʰ53ᵐ37.4523014186ˢ
Declination :
42°22′45.4672854857″		Azimut :
176.8171604714611°
Altitude :
-4.236851969827631°
Theta Herculis3.851753 light yearsRight ascension :
17ʰ56ᵐ15.1805ˢ
Declination : 37°15'15.1805″		Right ascension :
17ʰ57ᵐ11.7495544683ˢ
Declination :
37°14′52.2647079762″		Azimut :
152.64233435087678°
Altitude :
-3.3472368179344842°
Iota Herculis3.75455 light yearsRight ascension :
17ʰ39ᵐ27.8861ˢ
Declination : 46°0'27.8861″		Right ascension :
17ʰ40ᵐ15.0096137279ˢ
Declination :
45°59′35.4798453996″		Azimut :
159.02311363649432°
Altitude :
3.418557489026417°