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Constellations / Cassiopeia

Cassiopeia

Cassiopeiae

Northern 598 sq° Cas

Étoile la plus brillante : Schedar

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Mythologie

La reine vaniteuse de la mythologie éthiopienne, épouse de Céphée et mère d'Andromède. Elle fut placée dans le ciel assise sur son trône, parfois la tête en bas en punition de sa vanité.

Points Forts de l'Observation

Sa forme distinctive en W la rend facile à repérer. Contient les riches amas ouverts M52, M103, NGC 457 (amas du Hibou) et NGC 663. Constellation de la Voie lactée superbe pour le balayage aux jumelles.

Étoiles Principales

20
Shedir

Shedir

HIP 3179; Alpha Cas; 18 Cas

2.23 mag 24.8″ B: 14.0 K0- IIIa
Chaph

Chaph

HIP 746; Beta Cas; 11 Cas

2.27 mag 66.1″ B: 12.4 F2III
Gamma Cas

HIP 4427; Gamma Cas; 27 Cas

2.47 mag 1.6 - 3.0 GCAS+X+LERI B0.5IVe
Ruchbah

Ruchbah

HIP 6686; Delta Cas; 37 Cas

2.68 mag 110.1″ B: 11.9 A5IV
Called Segin in Becvar

Called Segin in Becvar

HIP 8886; Epsilon Cas; 45 Cas

3.38 mag B3V
Achird

Achird

HIP 3821; Eta Cas; 24 Cas

3.44 mag 13.5″ B: 7.4 F9V
Fulu

Fulu

HIP 2920; Zeta Cas; 17 Cas

3.66 mag B2IV
50 Cas

HIP 9598; 50 Cas

3.98 mag A2V
Kappa Cas

HIP 2599; Kappa Cas; 15 Cas

4.16 mag B1Ia
Theta Cas

HIP 5542; Theta Cas; 33 Cas

4.33 mag 126.4″ B: 11.3 A7V
Iota Cas

HIP 11569; Iota Cas

4.52 mag 3.0″ B: 6.9 A5pSr
22 Cas

HIP 3504; 22 Cas

4.54 mag B5IIIe
48 Cas

HIP 9480; 48 Cas

4.54 mag 0.6″ B: 6.7 A3IV
Rho Cas

HIP 117863; Rho Cas; 7 Cas

4.54 mag G20e
Castula

Castula

HIP 4422; Upsilon2 Cas; 28 Cas

4.63 mag G8IIIbFe-0.5
Chi Cas

HIP 7294; Chi Cas; 39 Cas

4.71 mag G9IIIb
Lambda Cas

HIP 2505; Lambda Cas; 14 Cas

4.73 mag 0.2″ B: 5.6 B8Vn
Psi Cas

HIP 6692; Psi Cas; 36 Cas

4.74 mag 3.3″ B: 14.0 K0III
Xi Cas

HIP 3300; Xi Cas; 19 Cas

4.80 mag B2V
R Cas

HIP 118188

4.80 mag 4.7 - 13.5 M M7IIIe

Étoiles Doubles

15
HIP 207
5.86 mag 15.2″ B: 7.2 G8III
Achird

Achird

HIP 3821; Eta Cas; 24 Cas

3.44 mag 13.5″ B: 7.4 F9V
WZ Cas

HIP 99

6.90 mag 57.8″ B: 8.3 C
Iota Cas

HIP 11569; Iota Cas

4.52 mag 3.0″ B: 6.9 A5pSr
Sigma Cas

HIP 118243; Sigma Cas; 8 Cas

4.88 mag 3.1″ B: 7.2 B1V
Upsilon Cas

Upsilon Cas

HIP 4292; Upsilon1 Cas; 26 Cas

4.83 mag 18.0″ B: 12.5 K2III
V638 Cas

HIP 113797

6.50 mag 18.6″ B: 10.2 B9IIIHe wk
4 Cas

HIP 115590; 4 Cas

4.98 mag 96.4″ B: 9.9 M1III
HIP 4212
6.27 mag 8.3″ B: 9.5 A5m
Shedir

Shedir

HIP 3179; Alpha Cas; 18 Cas

2.23 mag 24.8″ B: 14.0 K0- IIIa
HIP 3083
5.43 mag 12.5″ B: 10.5 K7III
R Cas

HIP 118188

4.80 mag 4.7 - 13.5 M M7IIIe
31 Cas

HIP 5518; 31 Cas

5.29 mag 25.0″ A0Vnn
21 Cas

HIP 3572; 21 Cas

5.66 mag 5.64 - 6.06 EA/DM A2IV
35 Cas

HIP 6312; 35 Cas

6.34 mag 57.4″ B: 8.6 A2Vnn

Étoiles Variables

9
Gamma Cas

HIP 4427; Gamma Cas; 27 Cas

2.47 mag 1.6 - 3.0 GCAS+X+LERI B0.5IVe
RZ Cas

HIP 13133

6.18 mag A3V
R Cas

HIP 118188

4.80 mag 4.7 - 13.5 M M7IIIe
AR Cas

HIP 115990

4.91 mag B3IV
AO Cas

HIP 1415

6.14 mag O9IIInn
22 Cas

HIP 3504; 22 Cas

4.54 mag B5IIIe
21 Cas

HIP 3572; 21 Cas

5.66 mag 5.64 - 6.06 EA/DM A2IV
V373 Cas

HIP 117957

6.00 mag 5.96 - 6.06 HB B0.5II+B0.5II
SU Cas

HIP 13367

5.80 mag F5:Ib-II

Objets du Ciel Profond

30
Amas Ouvert (21)
C10

NGC 663

7.1 mag 16
Owl Cluster

NGC 457

C13

6.4 mag 13
M52

NGC 7654

7.3 mag 13.
NGC 129
6.5 mag 21.
NGC 1027
6.7 mag 20.
NGC 7789
6.7 mag 16.
NGC 225
7.0 mag 12.
NGC 7790
8.5 mag 17.
NGC 654
6.5 mag 5.
C8

NGC 559

9.5 mag 4
M103

NGC 581

7.4 mag 6.
NGC 659
7.9 mag 5.
NGC 436
8.8 mag 6.
NGC 103
9.8 mag 5.
NGC 133
9.0 mag 7.
NGC 146
9.1 mag 7.
NGC 381
9.0 mag 6.
NGC 7788
9.0 mag 9.
NGC 189
8.8 mag 4.
NGC 637
8.2 mag 4.
NGC 609
11.0 mag 3.
Galaxie (5)
C17

NGC 147

9.5 mag 13 E
C18

NGC 185

9.2 mag 12 E
NGC 278
10.9 mag 2.2 SABb
IC 10
10.3 mag 5.1
NGC 1343
12.3 mag 2.8 SABb
Nébuleuse Planétaire (1)
IC 289
12.0 mag 0.6
Nébuleuse en Émission (3)
Bubble Nebula

NGC 7635

C11

11.0 mag 15
NGC 896
— mag 27.
IC 1795
— mag 20.