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Constellations / Andromeda

Andromeda

Andromedae

Northern 722 sq° And

Brightest star: Alpheratz

Mythology

Named after the princess Andromeda of Greek mythology, who was chained to a rock as a sacrifice to the sea monster Cetus. She was rescued by the hero Perseus, who turned the monster to stone using Medusa's head.

Observing Highlights

Home to the famous Andromeda Galaxy (M31), the nearest major galaxy to the Milky Way and visible to the naked eye. Also contains the open cluster NGC 752 and the planetary nebula NGC 7662 (Blue Snowball).

Main Stars

20

Alpheratz

HIP 677; Alpha And; 21 And

2.06 mag 92.8″ B: 11.1 B5.5V

Mirach

HIP 5447; Beta And; 43 And

2.06 mag 30.6″ B: 14.4 M0+ IIIa

Almaak

HIP 9640; Gamma1 And; 57 And

2.26 mag 9.6″ B: 5.0 K3-IIb

HIP 3092; Delta And; 31 And

3.27 mag 28.9″ B: 12.4 K3III

Nembus

HIP 7607; 51 And

3.57 mag K3- III CN0.5

HIP 113726; 1 And

3.62 mag 0.2″ B: 6.0 B6III

HIP 116584; Lambda And; 16 And

3.82 mag 32.3″ B: 13.4 G8IV k

HIP 4436; Mu And; 37 And

3.87 mag 51.8″ B: 12.9 A6V

HIP 3693; Zeta And; 34 And

4.06 mag 37.4″ B: 15.3 K1IIe

Titawin

HIP 7513; Upsilon And; 50 And

4.09 mag 110.9″ B: 12.6 F8V

HIP 116805; Kappa And; 19 And

4.14 mag 47.4″ B: 11.3 B9IVn

HIP 5434; Phi And; 42 And

4.25 mag 0.5″ B: 5.6 B7Ve

HIP 116631; Iota And; 17 And

4.29 mag B8V

HIP 2912; Pi And; 29 And

4.36 mag 36.2″ B: 7.1 B5V

HIP 3031; Epsilon And; 30 And

4.37 mag G6IIIFe-3CH1

HIP 4463; Eta And; 38 And

4.42 mag 129.3″ B: 12.3 G8IIIb

HIP 1473; Sigma And; 25 And

4.52 mag 7.0″ B: 11.4 A2V

HIP 114570; 7 And

4.52 mag F0V

HIP 3881; Nu And; 35 And

4.53 mag B5V+F8V

HIP 1366; Theta And; 24 And

4.61 mag 0.1″ A2V

Double Stars

15

Almaak

HIP 9640; Gamma1 And; 57 And

2.26 mag 9.6″ B: 5.0 K3-IIb

HIP 2912; Pi And; 29 And

4.36 mag 36.2″ B: 7.1 B5V

HIP 10176; 59 And

5.63 mag 16.6″ B: 6.7 B9V
6.04 mag 7.9″ B: 6.8 B9.5Vn

Mirach

HIP 5447; Beta And; 43 And

2.06 mag 30.6″ B: 14.4 M0+ IIIa

HIP 117221; Psi And; 20 And

4.95 mag 24.8″ B: 14.6 G5Ib+A0V
5.71 mag 17.9″ B: 10.3 K3III
6.58 mag 2.6″ B: 6.7 G0V

HIP 9021; 56 And

5.67 mag 202.5″ B: 6.1 K0III

HIP 1501; 26 And

6.11 mag 6.1″ B: 10.1 B8V

HIP 115022; 8 And

4.85 mag 7.8″ B: 13.0 M2+IIIBa0.3

HIP 113802

6.39 mag 7.6″ B: 10.1 B2V
6.36 mag 14.8″ B: 11.2 B9pHgMn

HIP 116584; Lambda And; 16 And

3.82 mag 32.3″ B: 13.4 G8IV k

HIP 11313; 65 And

4.71 mag 51.2″ B: 12.9 K4+III

Variable Stars

4
7.39 mag 5.8 - 15.4 M S6.5IIIeZr6Ti2

HIP 10687

6.70 mag 6.3 - 15.8 M M7-8Se

HIP 115065; 9 And

6.02 mag A7/8Vm

HR 9133

10.20 mag 10.3 - 14.8 UGZ Peculiar

Deep Sky Objects

30
Open Cluster (3)

NGC 752

5.7 mag 50
5.6 mag 15.
9.0 mag 8.
Galaxy (26)

NGC 224

3.4 mag 178. Sb

NGC 891

9.9 mag 14 Sb

NGC 205

8.5 mag 17.4 E6pec
10.9 mag 10.7 SBbc

NGC 221

8.1 mag 7.6 E2
12.2 mag 2.1 SABc
10.1 mag 4.4 S0
13.0 mag 3.0 Sab
14.0 mag 3.1 Sbc
13.0 mag 3.7 Sb
13.0 mag 3.2 Sc
13.0 mag 3.2 Sbc
13.0 mag 3.2 Sa
14.0 mag 1.4 Sbc
13.4 mag 1.4 Sab
14.0 mag 1.0 Sc
14.3 mag 1.0 Sb
13.4 mag 2.0 Sbc
12.4 mag 2.9 SABc
13.0 mag 2.0 Sab
14.0 mag 2.7 Sb
15.0 mag 1.7 SABb
15.0 mag 1.7 Sbc
15.0 mag 1.5 Sc
14.0 mag 2.3 Sb
14.0 mag 2.1 Sab
Planetary Nebula (1)

NGC 7662

C22

8.3 mag 0.5