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星座 / Draco

Draco

Draconis

Northern 1083 sq° Dra

最輝星： Eltanin

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神話

ヘスペリデスの園で黄金のリンゴを守った百の頭を持つ竜ラドンと同一視されることが多い。ヘラクレスに倒された。

観測の見どころ

こぐま座を巻くように広がる大きな周極星座。複雑な惑星状星雲キャッツアイ星雲（NGC 6543）やNGC 5907などの銀河を含む。

主な恒星

20
Etamin

Etamin

HIP 87833; Gamma Dra; 33 Dra

2.23 mag 20.3″ B: 13.4 K5III
Athebyne

Athebyne

HIP 80331; Eta Dra; 14 Dra

2.74 mag 4.7″ B: 8.2 G8III-IV
Rastaban

Rastaban

HIP 85670; Beta Dra; 23 Dra

2.79 mag 4.6″ B: 14.0 G2Ib-IIa
Nodus Secundus

Nodus Secundus

HIP 94376; Delta Dra; 57 Dra

3.07 mag 80.4″ B: 12.6 G9III
Aldhibah

Aldhibah

HIP 83895; Zeta Dra; 22 Dra

3.17 mag 0.1″ B: 4.2 B6IV
Ed Asich

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 177.8″ B: 12.1 F7V (metal-weak)
Thuban

Thuban

HIP 68756; Alpha Dra; 11 Dra

3.65 mag A0IV
Grumium

Grumium

HIP 87585; Xi Dra; 32 Dra

3.75 mag 315.7″ B: 13.1 K2III
Epsilon Dra

HIP 97433; Epsilon Dra; 63 Dra

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

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 125.4″ B: 14.6 K3III
Dziban

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 13.1″ B: 13.2 A2III s
10 Dra

HIP 67627; 10 Dra

4.65 mag 54.0″ B: 13.0 M3.5III

二重星

15
41 Dra

HIP 88136; 41 Dra

5.68 mag 18.6″ B: 6.0 F7
Dziban

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

Alrakis

HIP 83608; Mu Dra; 21 Dra

5.80 mag 2.0″ B: 5.7 F7V
Nu Dra

Nu Dra

HIP 85829; Nu Dra; 25 Dra

4.87 mag 62.2″ B: 4.9 A4m
Etamin

Etamin

HIP 87833; Gamma Dra; 33 Dra

2.23 mag 20.3″ B: 13.4 K5III
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

変光星

4
71 Dra

HIP 100221; 71 Dra

5.72 mag B9V
CX Dra

HIP 92133

5.88 mag B2.5Ve
RY Dra

HR 9116

5.90 mag 5.9 - 8.0 SRB C
R Dra

HIP 81014

6.70 mag 6.7 - 13.2 M M

深宇宙天体

30
銀河 (29)
C3

NGC 4236

9.7 mag 21 SBd
NGC 5907
10.4 mag 12.3 SAc
M102

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
惑星状星雲 (1)
Cat's Eye Nebula

NGC 6543

C6

8.1 mag 0.3