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Orion

オリオン座

Genitive: Orionis

Equatorial 冬 594 sq° Ori

最輝星： Rigel (mag 0.13)

RA 05h 28m 0.0s · Dec +5d 00' 0"

3つ星のベルトを持つ狩人

星図で開く ファインダーチャート カタログを見る
Orion - 神話

神話

ギリシャ神話の偉大な狩人で、ポセイドンの息子。地上のあらゆる生き物を殺せると豪語したため、ガイアがサソリを送って退治した。オリオンとさそり座は空の反対側に置かれた。

観測の見どころ

最も壮大な星座の一つ。オリオン大星雲（M42/M43）、ベテルギウス（赤色超巨星）、リゲル（青色超巨星）、馬頭星雲、燃える木星雲、そしてミンタカ・アルニラム・アルニタクが有名なベルトを形成する。

When is Orion up?

Showing 50.0° N, 0.0° E. Save your location for a personalised chart.
12:0015:0018:0021:0000:0003:0006:0009:0012:00JanJan 00:00 — altitude 37°Jan 01:00 — altitude 30°Jan 02:00 — altitude 21°Jan 03:00 — altitude 12°Jan 04:00 — altitude 2°Jan 05:00 — altitude -7°Jan 06:00 — altitude -16° (twilight)Jan 07:00 — altitude -24° (twilight)Jan 08:00 — altitude -30° (daytime)Jan 09:00 — altitude -34° (daytime)Jan 10:00 — altitude -35° (daytime)Jan 11:00 — altitude -33° (daytime)Jan 12:00 — altitude -28° (daytime)Jan 13:00 — altitude -21° (daytime)Jan 14:00 — altitude -13° (daytime)Jan 15:00 — altitude -4° (daytime)Jan 16:00 — altitude 6° (daytime)Jan 17:00 — altitude 15° (daytime)Jan 18:00 — altitude 25° (twilight)Jan 19:00 — altitude 33°Jan 20:00 — altitude 40°Jan 21:00 — altitude 44°Jan 22:00 — altitude 45°Jan 23:00 — altitude 42°Jan: best around 22:00 localFebFeb 00:00 — altitude 21°Feb 01:00 — altitude 11°Feb 02:00 — altitude 2°Feb 03:00 — altitude -8°Feb 04:00 — altitude -16°Feb 05:00 — altitude -24°Feb 06:00 — altitude -30° (twilight)Feb 07:00 — altitude -34° (daytime)Feb 08:00 — altitude -35° (daytime)Feb 09:00 — altitude -33° (daytime)Feb 10:00 — altitude -28° (daytime)Feb 11:00 — altitude -21° (daytime)Feb 12:00 — altitude -13° (daytime)Feb 13:00 — altitude -3° (daytime)Feb 14:00 — altitude 6° (daytime)Feb 15:00 — altitude 16° (daytime)Feb 16:00 — altitude 25° (daytime)Feb 17:00 — altitude 33° (daytime)Feb 18:00 — altitude 40° (twilight)Feb 19:00 — altitude 44° (twilight)Feb 20:00 — altitude 45°Feb 21:00 — altitude 42°Feb 22:00 — altitude 37°Feb 23:00 — altitude 29°Feb: best around 20:00 localMarMar 00:00 — altitude 3°Mar 01:00 — altitude -6°Mar 02:00 — altitude -15°Mar 03:00 — altitude -23°Mar 04:00 — altitude -29°Mar 05:00 — altitude -34° (twilight)Mar 06:00 — altitude -35° (daytime)Mar 07:00 — altitude -33° (daytime)Mar 08:00 — altitude -29° (daytime)Mar 09:00 — altitude -22° (daytime)Mar 10:00 — altitude -14° (daytime)Mar 11:00 — altitude -5° (daytime)Mar 12:00 — altitude 5° (daytime)Mar 13:00 — altitude 14° (daytime)Mar 14:00 — altitude 23° (daytime)Mar 15:00 — altitude 32° (daytime)Mar 16:00 — altitude 39° (daytime)Mar 17:00 — altitude 44° (daytime)Mar 18:00 — altitude 45° (daytime)Mar 19:00 — altitude 43° (twilight)Mar 20:00 — altitude 38°Mar 21:00 — altitude 31°Mar 22:00 — altitude 22°Mar 23:00 — altitude 12°Mar: best around 20:00 localAprApr 00:00 — altitude -15°Apr 01:00 — altitude -23°Apr 02:00 — altitude -30°Apr 03:00 — altitude -34°Apr 04:00 — altitude -35° (twilight)Apr 05:00 — altitude -33° (daytime)Apr 06:00 — altitude -29° (daytime)Apr 07:00 — altitude -22° (daytime)Apr 08:00 — altitude -14° (daytime)Apr 09:00 — altitude -5° (daytime)Apr 10:00 — altitude 5° (daytime)Apr 11:00 — altitude 14° (daytime)Apr 12:00 — altitude 24° (daytime)Apr 13:00 — altitude 32° (daytime)Apr 14:00 — altitude 39° (daytime)Apr 15:00 — altitude 44° (daytime)Apr 16:00 — altitude 45° (daytime)Apr 17:00 — altitude 43° (daytime)Apr 18:00 — altitude 38° (daytime)Apr 19:00 — altitude 30° (daytime)Apr 20:00 — altitude 22° (twilight)Apr 21:00 — altitude 12°Apr 22:00 — altitude 2°Apr 23:00 — altitude -7°Apr: best around 21:00 localMayMay 00:00 — altitude -29°May 01:00 — altitude -34°May 02:00 — altitude -35° (twilight)May 03:00 — altitude -33° (twilight)May 04:00 — altitude -29° (daytime)May 05:00 — altitude -22° (daytime)May 06:00 — altitude -14° (daytime)May 07:00 — altitude -5° (daytime)May 08:00 — altitude 5° (daytime)May 09:00 — altitude 14° (daytime)May 10:00 — altitude 23° (daytime)May 11:00 — altitude 32° (daytime)May 12:00 — altitude 39° (daytime)May 13:00 — altitude 44° (daytime)May 14:00 — altitude 45° (daytime)May 15:00 — altitude 43° (daytime)May 16:00 — altitude 38° (daytime)May 17:00 — altitude 31° (daytime)May 18:00 — altitude 22° (daytime)May 19:00 — altitude 12° (daytime)May 20:00 — altitude 3° (daytime)May 21:00 — altitude -7° (twilight)May 22:00 — altitude -16° (twilight)May 23:00 — altitude -24°JunJun 00:00 — altitude -35° (twilight)Jun 01:00 — altitude -33° (twilight)Jun 02:00 — altitude -29° (twilight)Jun 03:00 — altitude -22° (twilight)Jun 04:00 — altitude -14° (daytime)Jun 05:00 — altitude -5° (daytime)Jun 06:00 — altitude 5° (daytime)Jun 07:00 — altitude 14° (daytime)Jun 08:00 — altitude 24° (daytime)Jun 09:00 — altitude 32° (daytime)Jun 10:00 — altitude 39° (daytime)Jun 11:00 — altitude 44° (daytime)Jun 12:00 — altitude 45° (daytime)Jun 13:00 — altitude 43° (daytime)Jun 14:00 — altitude 38° (daytime)Jun 15:00 — altitude 30° (daytime)Jun 16:00 — altitude 22° (daytime)Jun 17:00 — altitude 12° (daytime)Jun 18:00 — altitude 3° (daytime)Jun 19:00 — altitude -7° (daytime)Jun 20:00 — altitude -16° (daytime)Jun 21:00 — altitude -24° (twilight)Jun 22:00 — altitude -30° (twilight)Jun 23:00 — altitude -34° (twilight)JulJul 00:00 — altitude -29°Jul 01:00 — altitude -22° (twilight)Jul 02:00 — altitude -14° (twilight)Jul 03:00 — altitude -5° (twilight)Jul 04:00 — altitude 4° (daytime)Jul 05:00 — altitude 14° (daytime)Jul 06:00 — altitude 23° (daytime)Jul 07:00 — altitude 32° (daytime)Jul 08:00 — altitude 39° (daytime)Jul 09:00 — altitude 44° (daytime)Jul 10:00 — altitude 45° (daytime)Jul 11:00 — altitude 43° (daytime)Jul 12:00 — altitude 38° (daytime)Jul 13:00 — altitude 31° (daytime)Jul 14:00 — altitude 22° (daytime)Jul 15:00 — altitude 13° (daytime)Jul 16:00 — altitude 3° (daytime)Jul 17:00 — altitude -7° (daytime)Jul 18:00 — altitude -16° (daytime)Jul 19:00 — altitude -24° (daytime)Jul 20:00 — altitude -30° (daytime)Jul 21:00 — altitude -34° (twilight)Jul 22:00 — altitude -35° (twilight)Jul 23:00 — altitude -33° (twilight)AugAug 00:00 — altitude -14°Aug 01:00 — altitude -5°Aug 02:00 — altitude 5°Aug 03:00 — altitude 14° (twilight)Aug 04:00 — altitude 24° (twilight)Aug 05:00 — altitude 32° (daytime)Aug 06:00 — altitude 39° (daytime)Aug 07:00 — altitude 44° (daytime)Aug 08:00 — altitude 45° (daytime)Aug 09:00 — altitude 43° (daytime)Aug 10:00 — altitude 38° (daytime)Aug 11:00 — altitude 30° (daytime)Aug 12:00 — altitude 22° (daytime)Aug 13:00 — altitude 12° (daytime)Aug 14:00 — altitude 3° (daytime)Aug 15:00 — altitude -7° (daytime)Aug 16:00 — altitude -16° (daytime)Aug 17:00 — altitude -24° (daytime)Aug 18:00 — altitude -30° (daytime)Aug 19:00 — altitude -34° (daytime)Aug 20:00 — altitude -35° (twilight)Aug 21:00 — altitude -33° (twilight)Aug 22:00 — altitude -28°Aug 23:00 — altitude -22°Aug: best around 02:00 localSepSep 00:00 — altitude 5°Sep 01:00 — altitude 15°Sep 02:00 — altitude 24°Sep 03:00 — altitude 32°Sep 04:00 — altitude 39° (twilight)Sep 05:00 — altitude 44° (twilight)Sep 06:00 — altitude 45° (daytime)Sep 07:00 — altitude 43° (daytime)Sep 08:00 — altitude 37° (daytime)Sep 09:00 — altitude 30° (daytime)Sep 10:00 — altitude 21° (daytime)Sep 11:00 — altitude 12° (daytime)Sep 12:00 — altitude 2° (daytime)Sep 13:00 — altitude -7° (daytime)Sep 14:00 — altitude -16° (daytime)Sep 15:00 — altitude -24° (daytime)Sep 16:00 — altitude -30° (daytime)Sep 17:00 — altitude -34° (daytime)Sep 18:00 — altitude -35° (daytime)Sep 19:00 — altitude -33° (twilight)Sep 20:00 — altitude -28° (twilight)Sep 21:00 — altitude -21°Sep 22:00 — altitude -13°Sep 23:00 — altitude -4°Sep: best around 03:00 localOctOct 00:00 — altitude 24°Oct 01:00 — altitude 32°Oct 02:00 — altitude 39°Oct 03:00 — altitude 44°Oct 04:00 — altitude 45°Oct 05:00 — altitude 43° (twilight)Oct 06:00 — altitude 38° (daytime)Oct 07:00 — altitude 30° (daytime)Oct 08:00 — altitude 22° (daytime)Oct 09:00 — altitude 12° (daytime)Oct 10:00 — altitude 3° (daytime)Oct 11:00 — altitude -7° (daytime)Oct 12:00 — altitude -16° (daytime)Oct 13:00 — altitude -24° (daytime)Oct 14:00 — altitude -30° (daytime)Oct 15:00 — altitude -34° (daytime)Oct 16:00 — altitude -35° (daytime)Oct 17:00 — altitude -33° (daytime)Oct 18:00 — altitude -28° (twilight)Oct 19:00 — altitude -22°Oct 20:00 — altitude -13°Oct 21:00 — altitude -4°Oct 22:00 — altitude 5°Oct 23:00 — altitude 15°Oct: best around 04:00 localNovNov 00:00 — altitude 39°Nov 01:00 — altitude 44°Nov 02:00 — altitude 45°Nov 03:00 — altitude 43°Nov 04:00 — altitude 37°Nov 05:00 — altitude 30°Nov 06:00 — altitude 21° (twilight)Nov 07:00 — altitude 12° (daytime)Nov 08:00 — altitude 2° (daytime)Nov 09:00 — altitude -7° (daytime)Nov 10:00 — altitude -16° (daytime)Nov 11:00 — altitude -24° (daytime)Nov 12:00 — altitude -30° (daytime)Nov 13:00 — altitude -34° (daytime)Nov 14:00 — altitude -35° (daytime)Nov 15:00 — altitude -33° (daytime)Nov 16:00 — altitude -28° (daytime)Nov 17:00 — altitude -21° (twilight)Nov 18:00 — altitude -13° (twilight)Nov 19:00 — altitude -4°Nov 20:00 — altitude 6°Nov 21:00 — altitude 15°Nov 22:00 — altitude 25°Nov 23:00 — altitude 33°Nov: best around 02:00 localDecDec 00:00 — altitude 45°Dec 01:00 — altitude 43°Dec 02:00 — altitude 38°Dec 03:00 — altitude 30°Dec 04:00 — altitude 22°Dec 05:00 — altitude 12°Dec 06:00 — altitude 3° (twilight)Dec 07:00 — altitude -7° (twilight)Dec 08:00 — altitude -16° (daytime)Dec 09:00 — altitude -24° (daytime)Dec 10:00 — altitude -30° (daytime)Dec 11:00 — altitude -34° (daytime)Dec 12:00 — altitude -35° (daytime)Dec 13:00 — altitude -33° (daytime)Dec 14:00 — altitude -28° (daytime)Dec 15:00 — altitude -22° (daytime)Dec 16:00 — altitude -13° (daytime)Dec 17:00 — altitude -4° (twilight)Dec 18:00 — altitude 5°Dec 19:00 — altitude 15°Dec 20:00 — altitude 24°Dec 21:00 — altitude 33°Dec 22:00 — altitude 39°Dec 23:00 — altitude 44°Dec: best around 00:00 local
below horizon astronomical dark — low to high altitude twilight daytime (sun up) best night-time hour

Right now

Daytime
Below horizon (-28°)

Upcoming (local)

Rise 08:31
Transit 14:53 45°
Set 21:17

Across the year

Best month December
Peak altitude 45°
Circumpolar here no
Dark-sky hours / year 1765

Neighboring Constellations

Taurus Gemini Monoceros Lepus

見どころの天体 in Orion

8
Messier 42 survey image
Messier 42

NGC 1976

4.0 mag 66. Easy
Messier 43 survey image
Messier 43

NGC 1982

9.0 mag 20. Medium
NGC 1981 survey image
NGC 1981
4.6 mag 25. Easy
Betelgeuse

HIP 27989; Alpha Ori; 58 Ori

0.50 mag 0.0 - 1.6 SRC M4Ib Medium
Mintaka

HIP 25930; Delta Ori; 34 Ori

2.23 mag 51.8″ B: 6.8 O9III Easy
HIP 29151
5.73 mag 29.1″ B: 6.7 A3Vn Easy
NGC 1662 survey image
NGC 1662
6.4 mag 20. Easy
NGC 2175 survey image
NGC 2175
6.8 mag 18. Easy

主な恒星 in Orion

20
Rigel

HIP 24436; Beta Ori; 19 Ori

0.12 mag B8Ia Easy
Betelgeuse

HIP 27989; Alpha Ori; 58 Ori

0.50 mag 0.0 - 1.6 SRC M4Ib Medium
Bellatrix

HIP 25336; Gamma Ori; 24 Ori

1.64 mag B2III Easy
Alnilam

HIP 26311; Epsilon Ori; 46 Ori

1.70 mag 179.5″ B: 11.3 B0Ib Hard
Alnitak

HIP 26727; Zeta Ori; 50 Ori

2.05 mag 2.4″ B: 3.7 O9.7Ib Hard
Saiph

HIP 27366; Kappa Ori; 53 Ori

2.06 mag B0II Easy
Mintaka

HIP 25930; Delta Ori; 34 Ori

2.23 mag 51.8″ B: 6.8 O9III Easy
Nair al Saif

HIP 26241; Iota Ori; 44 Ori

2.77 mag 11.2″ B: 7.7 O9.5III Medium
Tabit

HIP 22449; Pi Ori; 1 Ori

3.19 mag 72.7″ B: 11.3 F6IV-V Hard
Eta Ori

HIP 25281; Eta Ori; 28 Ori

3.36 mag 1.8″ B: 4.9 B1 V +B2. Hard
Meissa

HIP 26207; Lambda Ori; 39 Ori

3.54 mag 4.1″ B: 5.5 O8III((f)) Medium
Tau Ori

HIP 24674; Tau Ori; 20 Ori

3.60 mag 35.4″ B: 10.9 B6IV Hard
Pi Ori

HIP 22549; Pi Ori; 3 Ori

3.69 mag B2III Easy
Pi Ori

HIP 22797; Pi Ori; 8 Ori

3.72 mag B1.5IV Easy
Sigma Ori

HIP 26549; Sigma Ori; 48 Ori

3.81 mag 0.3″ B: 5.3 O9.5V Easy
9 Ori

HIP 22957; 9 Ori

4.07 mag K2-IIIFe-1 Easy
Phi Ori

HIP 26366; Phi2 Ori; 40 Ori

4.09 mag K0IIIbFe-2 Easy
Mu Ori

HIP 28614; Mu Ori; 61 Ori

4.12 mag 0.3″ B: 6.3 A2V Very Hard
29 Ori

HIP 25247; 29 Ori

4.14 mag G8IIIFe-0.5 Easy
32 Ori

HIP 25813; 32 Ori

4.20 mag 1.4″ B: 5.8 B5V Very Hard

二重星 in Orion

15
Mintaka

HIP 25930; Delta Ori; 34 Ori

2.23 mag 51.8″ B: 6.8 O9III Easy
HIP 29151
5.73 mag 29.1″ B: 6.7 A3Vn Easy
Meissa

HIP 26207; Lambda Ori; 39 Ori

3.54 mag 4.1″ B: 5.5 O8III((f)) Medium
Theta Ori

HIP 26235; Theta2 Ori; 43 Ori

5.08 mag 52.3″ B: 6.2 O9.5Vp Easy
HIP 26199
4.78 mag 35.3″ B: 5.5 B0.5V Easy
31 Ori

HIP 25737; 31 Ori

4.71 mag 12.7″ B: 9.7 K5III Medium
HIP 23287
6.66 mag 21.2″ B: 7.0 B9Vn Easy
Rho Ori

HIP 24331; Rho Ori; 17 Ori

4.46 mag 6.9″ B: 8.5 K0.5III Medium
23 Ori

HIP 25142; 23 Ori

5.00 mag 32.0″ B: 6.8 B1V Easy
Nair al Saif

HIP 26241; Iota Ori; 44 Ori

2.77 mag 11.2″ B: 7.7 O9.5III Medium
Alnitak

HIP 26727; Zeta Ori; 50 Ori

2.05 mag 2.4″ B: 3.7 O9.7Ib Hard
HIP 25187
5.90 mag 6.2″ B: 8.1 B8III Easy
HIP 23161
6.09 mag 39.3″ B: 7.4 B7V Easy
V1030 Ori

HIP 26551

6.65 mag 52.9″ B: 8.8 B2Vp Easy
HIP 26345
5.72 mag 5.3″ B: 9.2 B1V Medium

変光星 in Orion

6
U Ori

HR 2063

5.40 mag 4.80 - 13.00 M M6.5IIIe Very Hard
Betelgeuse

HIP 27989; Alpha Ori; 58 Ori

0.50 mag 0.0 - 1.6 SRC M4Ib Medium
W Ori

HIP 23680

6.17 mag 5.5 - 6.9 SRB C6II Easy
VV Ori

HIP 26063

5.34 mag 5.31 - 5.66 EA/KE: B1V Hard
BL Ori

HIP 30564

6.24 mag 5.9 - 6.6 SRB C5II Medium
V1031 Ori

HIP 27341

6.03 mag 6.02 - 6.43 EA/DM A4V Hard

深宇宙天体 in Orion

24
散開星団 (8)
NGC 1981 survey image
NGC 1981
4.6 mag 25. Easy
NGC 1662 survey image
NGC 1662
6.4 mag 20. Easy
NGC 2175 survey image
NGC 2175
6.8 mag 18. Easy
NGC 2169 survey image
NGC 2169
5.9 mag 7. Easy
NGC 2194 survey image
NGC 2194
8.5 mag 10. Easy
NGC 2141 survey image
NGC 2141
9.4 mag 10. Medium
NGC 2112 survey image
NGC 2112
9.0 mag 11. Easy
NGC 2186 survey image
NGC 2186
8.7 mag 4. Easy
銀河 (13)
NGC 1753 survey image
NGC 1753
15.0 mag SBa Very Hard
NGC 1685 survey image
NGC 1685
14.0 mag S0-a Very Hard
NGC 1819 survey image
NGC 1819
13.0 mag S0 Very Hard
NGC 1690 survey image
NGC 1690
14.0 mag 1.3 E Very Hard
NGC 1670 survey image
NGC 1670
14.0 mag S0 Very Hard
NGC 1678 survey image
NGC 1678
14.0 mag S0 Very Hard
NGC 1682 survey image
NGC 1682
14.0 mag E-S0 Very Hard
NGC 1691 survey image
NGC 1691
13.0 mag S0-a Very Hard
NGC 1709 survey image
NGC 1709
15.0 mag S0 Very Hard
NGC 1684 survey image
NGC 1684
13.0 mag E Very Hard
NGC 1875 survey image
NGC 1875
15.0 mag E Very Hard
NGC 2110 survey image
NGC 2110
14.0 mag E-S0 Very Hard
NGC 1740 survey image
NGC 1740
15.0 mag E-S0 Very Hard
輝線星雲 (2)
Messier 42 survey image
Messier 42

NGC 1976

4.0 mag 66. Easy
Messier 43 survey image
Messier 43

NGC 1982

9.0 mag 20. Medium
反射星雲 (1)
Messier 78 survey image
Messier 78

NGC 2068

8.3 mag 8. Medium