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Draco

Dragon

Genitive: Draconis

Northern 1083 sq° Dra

Étoile la plus brillante : Eltanin

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Mythologie

Le Dragon, souvent identifié à Ladon, le dragon aux cent têtes qui gardait les pommes d'or dans le jardin des Hespérides, tué par Héraclès.

Points Forts de l'Observation

Grande constellation circumpolaire s'enroulant autour de la Petite Ourse. Contient la nébuleuse de l'Œil de chat (NGC 6543), une nébuleuse planétaire complexe, et plusieurs galaxies dont NGC 5907.

Étoiles Principales

20
Etamin

HIP 87833; Gamma Dra; 33 Dra

2.23 mag K5III
Athebyne

HIP 80331; Eta Dra; 14 Dra

2.74 mag 4.7″ B: 8.2 G8III-IV
Rastaban

HIP 85670; Beta Dra; 23 Dra

2.79 mag G2Ib-IIa
Nodus Secundus

HIP 94376; Delta Dra; 57 Dra

3.07 mag G9III
Aldhibah

HIP 83895; Zeta Dra; 22 Dra

3.17 mag 0.1″ B: 4.2 B6IV
Ed Asich

HIP 75458; Iota Dra; 12 Dra

3.29 mag 252.6″ B: 8.9 K2III
Chi Dra

HIP 89937; Chi Dra; 44 Dra

3.57 mag F7V (metal-weak)
Thuban

HIP 68756; Alpha Dra; 11 Dra

3.65 mag A0IV
Grumium

HIP 87585; Xi Dra; 32 Dra

3.75 mag K2III
Epsilon Dra

HIP 97433; Epsilon Dra; 63 Dra

3.83 mag 3.1″ B: 6.9 G7IIIb Fe-1
Giausar

HIP 56211; Lambda Dra; 1 Dra

3.84 mag M0III-IIIa Ca1
Kappa Dra

HIP 61281; Kappa Dra; 5 Dra

3.87 mag B5IIIe
Theta Dra

HIP 78527; Theta Dra; 13 Dra

4.01 mag F8IV
Phi Dra

HIP 89908; Phi Dra; 43 Dra

4.22 mag 0.5″ B: 5.9 A0pSi:
HIP 47193
4.29 mag K3IIIa
Tau Dra

HIP 94648; Tau Dra; 60 Dra

4.45 mag K2+IIIbCN1Fe1
Rho Dra

HIP 98702; Rho Dra; 67 Dra

4.51 mag K3III
Dziban

HIP 86614; Psi1 Dra; 31 Dra

4.58 mag 30.2″ B: 5.6 F5IV-V
Pi Dra

HIP 95081; Pi Dra; 58 Dra

4.59 mag A2III s
10 Dra

HIP 67627; 10 Dra

4.65 mag M3.5III

Étoiles Doubles

15
41 Dra

HIP 88136; 41 Dra

5.68 mag 18.6″ B: 6.0 F7
Dziban

HIP 86614; Psi1 Dra; 31 Dra

4.58 mag 30.2″ B: 5.6 F5IV-V
17 Dra

HIP 81292; 17 Dra

5.08 mag 3.0″ B: 6.4 B9V
40 Dra

HIP 88127; 40 Dra

6.04 mag 19.3″ B: 6.7 F7
Alrakis

HIP 83608; Mu Dra; 21 Dra

5.80 mag 2.0″ B: 5.7 F7V
Nu Dra

HIP 85829; Nu Dra; 25 Dra

4.87 mag 62.2″ B: 4.9 A4m
39 Dra

HIP 90156; 39 Dra

4.98 mag 3.7″ B: 8.1 A1V
47 Dra

HIP 92512; 47 Dra

4.66 mag 37.6″ B: 8.3 G9IIIFe-0.5
HIP 47260
6.42 mag 4.9″ B: 7.2 F2V+F1V
HIP 92717
6.22 mag 5.7″ B: 7.3 A1V
HIP 93053
6.45 mag 17.4″ B: 9.6 G5IV+G8V
HIP 96771
6.51 mag 18.2″ B: 8.9 A5V
Epsilon Dra

HIP 97433; Epsilon Dra; 63 Dra

3.83 mag 3.1″ B: 6.9 G7IIIb Fe-1
HIP 65603
6.66 mag 69.7″ B: 7.0 F0
HIP 83857
6.46 mag 18.6″ B: 11.0 A1V

Étoiles Variables

3
R Dra

HIP 81014

6.70 mag 6.7 - 13.2 M M
RY Dra

HR 9116

5.90 mag 5.9 - 8.0 SRB C
AT Dra

HIP 79804

5.40 mag 5.18 - 5.54 SRB M4IIIa

Objets du Ciel Profond

30
Galaxie (29)
Caldwell 3

NGC 4236

9.7 mag 21 SBd
NGC 5907
10.4 mag 12.3 SAc
Messier 102

NGC 5866

9.9 mag 5.2 S0
NGC 6503
10.2 mag 6.2 Sc
NGC 3147
10.7 mag 4.0 Sbc
NGC 5985
11.0 mag 5.5 Sb
NGC 6015
11.2 mag 5.4 Sc
NGC 4125
9.8 mag 5.1 E6
NGC 5965
13.0 mag 5.4 SABb
NGC 6140
12.0 mag 6.2 Sc
NGC 5879
11.5 mag 4.4 Sbc
NGC 5908
11.9 mag 3.2 SBb
NGC 6643
11.1 mag 3.9 Sc
NGC 6412
11.8 mag 2.3 SABc
NGC 3735
12.0 mag 4.2 Sc
NGC 4256
12.0 mag 4.6 Sb
NGC 4319
12.0 mag 3.1 SBab
NGC 5678
12.0 mag 3.2 SABb
NGC 5905
12.0 mag 4.2 Sb
NGC 5963
12.0 mag 3.5 SABb
NGC 6236
12.0 mag 3.0 SABc
NGC 6689
12.0 mag 3.9 SABc
NGC 4750
12.0 mag 2.3 Sab
NGC 3403
13.0 mag 3.1 Sbc
NGC 5777
14.0 mag 3.3 Sb
NGC 5894
13.0 mag 3.3 Scd
NGC 5987
13.0 mag 4.7 Sb
NGC 6248
13.0 mag 3.3 SBc
NGC 6493
— mag 1.4 SABc
Nébuleuse Planétaire (1)
Cat's Eye Nebula

NGC 6543

C6

8.1 mag 0.3