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Constellations / Libra

Libra

Librae

Equatorial 538 sq° Lib

Brightest star: Zubeneschamali

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Mythology

The Scales, originally the claws of Scorpius. Later associated with Astraea, goddess of justice, and the balance of day and night at the autumn equinox.

Observing Highlights

A zodiacal constellation with a few double stars and NGC 5897, a faint globular cluster. Zubeneschamali is reputed to show a greenish tint.

Main Stars

20
Zuben Elschemali

Zuben Elschemali

HIP 74785; Beta Lib; 27 Lib

2.61 mag 2.1″ B: 16.3 B7.5IV
Zuben Elgenubi

Zuben Elgenubi

HIP 72622; Alpha2 Lib; 9 Lib

2.75 mag 230.8″ B: 5.2 A3 III/V
Brachium

Brachium

HIP 73714; Sigma Lib; 20 Lib

3.29 mag 69.7″ B: 16.4 M2.5III
Upsilon Lib

HIP 76470; Upsilon Lib; 39 Lib

3.58 mag 3.5″ B: 10.8 K3.5III
Tau Lib

HIP 76600; Tau Lib; 40 Lib

3.66 mag B2.5 V
Zubenelhakrabi

Zubenelhakrabi

HIP 76333; Gamma Lib; 38 Lib

3.91 mag 41.9″ B: 11.2 G8.5III
Theta Lib

HIP 77853; Theta Lib; 46 Lib

4.15 mag 0.1″ B: 5.1 G8.5IIIb
16 Lib

HIP 73165; 16 Lib

4.49 mag 19.4″ B: 12.2 F0V
Iota Lib

Iota Lib

HIP 74392; Iota1 Lib; 24 Lib

4.54 mag 57.7″ B: 10.9 A0pSi
37 Lib

HIP 76219; 37 Lib

4.62 mag 7.4″ B: 13.3 K1III-IV
Kappa Lib

HIP 76880; Kappa Lib; 43 Lib

4.74 mag 169.6″ B: 10.5 M0-IIIb
48 Lib

HIP 78207; 48 Lib

4.88 mag B5IIIp
Delta Lib

HIP 73473; Delta Lib; 19 Lib

4.92 mag 4.9 - 5.9 EA/SD B9.5V
11 Lib

HIP 72631; 11 Lib

4.94 mag G8III-IV
Epsilon Lib

HIP 75379; Epsilon Lib; 31 Lib

4.94 mag F5IV
42 Lib

HIP 76742; 42 Lib

4.96 mag 7.7″ B: 15.9 K3IIICN1
Lambda Lib

HIP 77811; Lambda Lib; 45 Lib

5.03 mag B2.5V
Alpha Lib

Alpha Lib

HIP 72603; Alpha1 Lib; 8 Lib

5.15 mag 0.2″ B: 9.4 F4IV
36 Lib

HIP 76259; 36 Lib

5.15 mag K4III
HIP 76243
5.17 mag B6IV

Double Stars

15
HIP 76143
7.00 mag 9.3″ B: 7.0 A3+F0V:
18 Lib

HIP 73310; 18 Lib

5.87 mag 19.9″ B: 9.8 K3-IIICN1
HIP 73184
5.74 mag 26.2″ B: 8.2 K4V
HIP 76603
6.48 mag 11.7″ B: 6.5 F6V
HIP 76033
6.22 mag 11.2″ B: 8.9 A8V
16 Lib

HIP 73165; 16 Lib

4.49 mag 19.4″ B: 12.2 F0V
HIP 70518
6.61 mag 35.0″ B: 7.2 A2V
Zuben Elschemali

Zuben Elschemali

HIP 74785; Beta Lib; 27 Lib

2.61 mag 2.1″ B: 16.3 B7.5IV
HIP 72488
5.68 mag 64.7″ B: 8.6 gK1
42 Lib

HIP 76742; 42 Lib

4.96 mag 7.7″ B: 15.9 K3IIICN1
Upsilon Lib

HIP 76470; Upsilon Lib; 39 Lib

3.58 mag 3.5″ B: 10.8 K3.5III
37 Lib

HIP 76219; 37 Lib

4.62 mag 7.4″ B: 13.3 K1III-IV
Zubenelhakrabi

Zubenelhakrabi

HIP 76333; Gamma Lib; 38 Lib

3.91 mag 41.9″ B: 11.2 G8.5III
HIP 75127
5.54 mag 11.9″ B: 12.7 K1III
Brachium

Brachium

HIP 73714; Sigma Lib; 20 Lib

3.29 mag 69.7″ B: 16.4 M2.5III

Variable Stars

1
Delta Lib

HIP 73473; Delta Lib; 19 Lib

4.92 mag 4.9 - 5.9 EA/SD B9.5V

Deep Sky Objects

30
Globular Cluster (1)
NGC 5897
8.6 mag 12.6
Galaxy (29)
NGC 5792
12.0 mag 7.2 Sb
NGC 5878
11.5 mag 3.5 Sb
NGC 5885
11.7 mag 3.5 SABc
NGC 5728
11.3 mag 2.8 Sa
NGC 5861
12.0 mag 3.0 SABc
NGC 5595
12.0 mag 2.0 SABc
NGC 5597
12.1 mag 2.0 Sc
NGC 5915
12.0 mag 1.6 SBb
NGC 5729
13.0 mag 3.0 Sb
NGC 5605
13.0 mag 1.8 SABc
NGC 5716
13.0 mag 1.9 SBc
NGC 5756
13.0 mag 2.0 Sbc
NGC 5757
13.0 mag 2.1 Sb
NGC 5768
13.0 mag 2.0 SABc
NGC 5793
13.2 mag 1.8 Sb
NGC 5916
14.0 mag 2.9 SBa
IC 4468
— mag 2.3 SBc
IC 1055
— mag 2.6 Sb
IC 1077
— mag 2.0 SBbc
IC 1091
— mag 1.4 Sb
IC 4536
— mag 2.6 SBcd
IC 4538
— mag 2.6 SABc
NGC 5744
— mag Sa
NGC 5801
— mag Sb
IC 4501
14.0 mag 0.9 Sab
IC 1060
14.0 mag 1.0 SBa
NGC 5812
11.2 mag 2.4 E0
NGC 5898
11.5 mag 1.7 E
NGC 5903
11.5 mag 2.0 E