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Scorpius

Genitive: Scorpii

Equatorial 497 sq° Sco

Brightest star: Antares

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Mythology

The Scorpion sent by Gaia to slay Orion after he boasted about his hunting prowess. They are placed on opposite sides of the sky so they never appear together.

Observing Highlights

Antares is a red supergiant rivaling Mars in color. Contains the open clusters M6 (Butterfly) and M7 (Ptolemy's Cluster), globulars M4 and M80, and the Bug Nebula (NGC 6302). A stunning Milky Way constellation.

Main Stars

20
Antares

HIP 80763; Alpha Sco; 21 Sco

0.96 mag 2.7″ B: 5.4 M1.5Iab-Ib
Shaula

HIP 85927; Lambda Sco; 35 Sco

1.63 mag B1.5 IV + B
Sargas

HIP 86228; Theta Sco

1.87 mag 6.5″ B: 5.4 F1III
Larawag

HIP 82396; Epsilon Sco; 26 Sco

2.29 mag K1III
Dschubba

HIP 78401; Delta Sco; 7 Sco

2.32 mag 0.1″ B: 4.6 B0.3 IV
Kappa Sco

HIP 86670; Kappa Sco

2.41 mag B1.5III
Graffias

HIP 78820; Beta1 Sco; 8 Sco

2.62 mag 0.3″ B: 10.6 B1V
Lesath

HIP 85696; Upsilon Sco; 34 Sco

2.69 mag B2 IV
See HR 6084

HIP 81266; Tau Sco; 23 Sco

2.82 mag B0IV
Fang

HIP 78265; Pi Sco; 6 Sco

2.89 mag 49.7″ B: 11.9 B1 V + B2 V
Alniyat

HIP 80112; Sigma Sco; 20 Sco

2.89 mag 20.5″ B: 8.4 B1 III
Iota Sco

HIP 87073; Iota1 Sco

3.03 mag F2Ia
Xamidimura

HIP 82514; Mu Sco

3.08 mag 9.2″ B: 8.9 B1.5 IV + B
Fuyue

HIP 87261

3.21 mag K2III
Eta Sco

HIP 84143; Eta Sco

3.33 mag 591.8″ B: 11.2 F5IV
Pipirima

HIP 82545; Mu Sco

3.57 mag B2 IV
Zeta Sco

HIP 82729; Zeta2 Sco

3.62 mag K3 III
Iklil

HIP 78104; Rho Sco; 5 Sco

3.88 mag B2 IV/V
Omega Sco

HIP 78933; Omega1 Sco; 9 Sco

3.96 mag B1 V
Jabbah

HIP 79374; Nu Sco; 14 Sco

4.01 mag 1.4″ B: 5.3 B3V

Double Stars

15
Sargas

HIP 86228; Theta Sco

1.87 mag 6.5″ B: 5.4 F1III
HIP 80324
6.47 mag 6.2″ B: 7.3 A0V+A0V
HIP 79980
5.49 mag 23.6″ B: 6.9 F6III
HIP 80399
5.84 mag 4.0″ B: 6.6 G0IV
HIP 81472
5.83 mag 16.4″ B: 9.6 B2.5IV
Antares

HIP 80763; Alpha Sco; 21 Sco

0.96 mag 2.7″ B: 5.4 M1.5Iab-Ib
HIP 82453
6.11 mag 6.8″ B: 7.8 B9pSi*
HIP 83693
5.98 mag 5.8″ B: 10.0 A2IV
HR 6660
6.38 mag 34.7″ B: 7.0 B9V
HIP 79173
6.19 mag 7.6″ B: 7.2 K0-2III
HIP 87381
6.66 mag 10.1″ B: 8.1 A0Vn
V915 Sco

HIP 84332

6.60 mag 13.8″ B: 10.1 G5Ia
HR 6263
6.45 mag 31.0″ B: 7.7 O9Ib
11 Sco

HIP 79005; 11 Sco

5.78 mag 3.3″ B: 9.8 B9.5Vnn
12 Sco

HIP 79399; 12 Sco

5.67 mag 3.8″ B: 8.1 B9V

Variable Stars

4
RR Sco

HIP 82912

5.00 mag 5.0 - 12.4 M M
V861 Sco

HIP 82911

6.15 mag 6.07 - 6.35 EB B0.5Ia
V856 Sco

HIP 79080

7.05 mag 6.64 - 8.44 UXOR A7IVe
V923 Sco

HIP 83491

5.91 mag 5.86 - 6.24 EA/D F4IV+F2V

Deep Sky Objects

30
Open Cluster (18)
Messier 6

NGC 6405

4.2 mag 15.
Messier 7

NGC 6475

3.3 mag 80.
Caldwell 75

NGC 6124

5.8 mag 29
Caldwell 76

NGC 6231

2.6 mag 15
NGC 6416
5.7 mag 18.
NGC 6322
6.0 mag 10.
NGC 6242
6.4 mag 9.
NGC 6259
8.0 mag 10.
NGC 6425
7.2 mag 8.
NGC 6249
8.2 mag 6.
NGC 6451
8.0 mag 8.
NGC 6178
7.2 mag 4.
NGC 6192
9.0 mag 8.
NGC 6400
9.0 mag 8.
NGC 6396
8.5 mag 3.
NGC 6268
10.0 mag 6.
NGC 6404
11.0 mag 5.
NGC 6374
9.0 mag 3.
Globular Cluster (7)
Messier 4

NGC 6121

5.6 mag 26.3
NGC 6388
6.9 mag 8.7
Messier 80

NGC 6093

7.3 mag 8.9
NGC 6441
7.4 mag 7.8
NGC 6144
9.1 mag 9.3
NGC 6139
9.2 mag 5.5
NGC 6496
9.2 mag 6.9
Galaxy (1)
NGC 6000
— mag 1.9 SBbc
Planetary Nebula (2)
Bug Nebula

NGC 6302

C69

9.6 mag 0.8
NGC 6072
14.0 mag 1.2
Emission Nebula (2)
NGC 6334
— mag 40.
NGC 6357
— mag 50.