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Hercules

Genitive: Herculis

Northern 1225 sq° Her

Brightest star: Kornephoros

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Mythology

The greatest hero of Greek mythology, known for his twelve labors. He was placed in the sky by Zeus after his death. The constellation shows him kneeling.

Observing Highlights

Contains M13, the Great Hercules Cluster — one of the finest globular clusters in the northern sky — and M92, another bright globular. Also home to the Hercules Galaxy Cluster (Abell 2151).

Main Stars

20
Kornephoros

HIP 80816; Beta Her; 27 Her

2.77 mag 245.8″ B: 10.7 G7IIIa Fe-0.5
Zeta Her

HIP 81693; Zeta Her; 40 Her

2.81 mag 1.6″ B: 5.4 G2IV
Sarin

HIP 84379; Delta Her; 65 Her

3.14 mag 14.0″ B: 8.3 A1IVn
Pi Her

HIP 84380; Pi Her; 67 Her

3.16 mag K3II
Mu Her

HIP 86974; Mu Her; 86 Her

3.42 mag G5IV
Rasalgethi

HIP 84345; Alpha1 Her; 64 Her

3.48 mag 4.8″ B: 5.4 M5Ib-II
Eta Her

HIP 81833; Eta Her; 44 Her

3.53 mag 116.4″ B: 11.7 G7III Fe-1
Xi Her

HIP 87933; Xi Her; 92 Her

3.70 mag G8.5III
Gamma Her

HIP 80170; Gamma Her; 20 Her

3.75 mag 43.3″ B: 10.1 A9III
Iota Her

HIP 86414; Iota Her; 85 Her

3.80 mag 117.2″ B: 11.8 B3IV
103 Her

HIP 88794; 103 Her

3.83 mag A0II-III
109 Her

HIP 90139; 109 Her

3.84 mag 238.0″ B: 11.1 K2IIIab
Theta Her

HIP 87808; Theta Her; 91 Her

3.86 mag K1IIa CN2
Tau Her

HIP 79992; Tau Her; 22 Her

3.89 mag B5V
Epsilon Her

HIP 83207; Epsilon Her; 58 Her

3.92 mag A0IVp lambda Boo
110 Her

HIP 92043; 110 Her

4.19 mag F6V
Sigma Her

HIP 81126; Sigma Her; 35 Her

4.20 mag 0.1″ B: 7.7 B9V
Phi Her

HIP 79101; Phi Her; 11 Her

4.26 mag B9p:Mn:
102 Her

HIP 88886; 102 Her

4.36 mag 23.1″ B: 11.8 B2IV
111 Her

HIP 92161; 111 Her

4.36 mag 113.7″ B: 11.6 A5III

Double Stars

15
95 Her

HIP 88267; 95 Her

4.96 mag 6.3″ B: 5.2 A5IIIn
Rasalgethi

HIP 84345; Alpha1 Her; 64 Her

3.48 mag 4.8″ B: 5.4 M5Ib-II
100 Her

HIP 88818; 100 Her

5.86 mag 14.4″ B: 5.8 A3V
Rho Her

HIP 85112; Rho Her; 75 Her

4.52 mag 3.9″ B: 5.4 B9.5III
Marsic

HIP 79043; Kappa Her; 7 Her

5.00 mag 27.1″ B: 6.2 G8III
Kappa Her

HIP 79045; Kappa Her; 7 Her

6.25 mag 28.1″ B: 6.2 K1III
HIP 86537
6.36 mag 16.3″ B: 9.3 K1III+F4V
HIP 83478
5.93 mag 304.9″ B: 6.2 A1V
HIP 82350
5.91 mag 4.9″ B: 10.0 A1V
V826 Her

HIP 86946

6.68 mag 7.9″ B: 10.0 K3III+F7V
HIP 88415
6.21 mag 26.8″ B: 8.9 A2V
HIP 80953
5.65 mag 16.3″ B: 8.7 A4Vn
V451 Her

HIP 83308

6.31 mag 18.7″ B: 10.3 B9pCrEu
37 Her

HIP 81641; 37 Her

5.77 mag 69.3″ B: 6.9 A1V
HIP 79357
5.87 mag 23.2″ B: 10.7 K4II+F6-8V

Variable Stars

4
30 Her

HIP 80704; 30 Her

5.04 mag 4.30 - 5.50 SRB M6-III
68 Her

HIP 84573; 68 Her

4.82 mag 4.7 - 5.4 EA/SD B1.5Vp+B5III
U Her

HIP 80488

6.70 mag 6.40 - 13.40 M M7IIIe
OP Her

HIP 87850

6.02 mag 5.85 - 6.73 SRB M5IIbS

Deep Sky Objects

30
Globular Cluster (3)
Messier 13

NGC 6205

5.8 mag 16.6
Messier 92

NGC 6341

6.4 mag 11.2
NGC 6229
9.4 mag 4.5
Galaxy (25)
NGC 6207
11.6 mag 3.0 Sc
NGC 6674
12.1 mag 4.2 Sb
NGC 6555
12.0 mag 2.1 SABc
NGC 6574
12.0 mag 1.4 SABb
NGC 6255
14.0 mag 3.5 SBc
NGC 6339
13.0 mag 3.4 Sc
NGC 6389
14.0 mag 3.1 Sbc
NGC 6632
13.0 mag 3.1 Sbc
NGC 6181
11.9 mag 2.6 SABc
NGC 6315
13.3 mag 0.9 Sc
NGC 6035
14.0 mag 1.2 Sc
NGC 6045
14.2 mag 1.3 Sc
NGC 6106
12.2 mag 2.6 Sc
NGC 6186
14.0 mag 1.8 Sa
NGC 6239
12.3 mag 2.8 SBb
NGC 6308
14.0 mag 1.3 SABc
NGC 6314
13.1 mag 1.8 Sa
NGC 6500
13.0 mag 2.5 Sab
NGC 6504
13.0 mag 2.5 Sa
NGC 6560
14.0 mag 1.3 SABa
NGC 6627
13.2 mag 1.5 SBb
NGC 6032
15.0 mag 1.8 Sb
NGC 6040
15.0 mag 1.6 SABc
NGC 6060
14.0 mag 2.2 SABc
NGC 6154
14.0 mag 2.4 Sa
Planetary Nebula (2)
IC 4593
11.0 mag 2.0
NGC 6210
9.0 mag 0.2