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Bootes

うしかい座

Genitive: Bootis

Northern 夏 907 sq° Boo

最輝星： Arcturus (mag -0.05)

RA 14h 31m 60.0s · Dec +32d 00' 0"

凧型

星図で開く ファインダーチャート カタログを見る
Bootes - 神話

神話

牧夫または農夫。鋤の発明者と同一視されることもある。おおぐま座を天の極の周りに追い回す姿から、牛追いという意味の名前がついた。

観測の見どころ

アークトゥルスは全天で4番目に明るい星で、印象的なオレンジ色の巨星。多くの二重星や球状星団NGC 5466を含む。春から夏にかけての観測に最適。

When is Bootes 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 16°Jan 01:00 — altitude 25°Jan 02:00 — altitude 34°Jan 03:00 — altitude 44°Jan 04:00 — altitude 53°Jan 05:00 — altitude 62°Jan 06:00 — altitude 69° (twilight)Jan 07:00 — altitude 72° (twilight)Jan 08:00 — altitude 68° (daytime)Jan 09:00 — altitude 60° (daytime)Jan 10:00 — altitude 51° (daytime)Jan 11:00 — altitude 41° (daytime)Jan 12:00 — altitude 32° (daytime)Jan 13:00 — altitude 23° (daytime)Jan 14:00 — altitude 14° (daytime)Jan 15:00 — altitude 7° (daytime)Jan 16:00 — altitude 0° (daytime)Jan 17:00 — altitude -4° (daytime)Jan 18:00 — altitude -7° (twilight)Jan 19:00 — altitude -8°Jan 20:00 — altitude -7°Jan 21:00 — altitude -3°Jan 22:00 — altitude 2°Jan 23:00 — altitude 9°Jan: best around 05:00 localFebFeb 00:00 — altitude 34°Feb 01:00 — altitude 44°Feb 02:00 — altitude 54°Feb 03:00 — altitude 63°Feb 04:00 — altitude 70°Feb 05:00 — altitude 72°Feb 06:00 — altitude 68° (twilight)Feb 07:00 — altitude 60° (daytime)Feb 08:00 — altitude 51° (daytime)Feb 09:00 — altitude 41° (daytime)Feb 10:00 — altitude 32° (daytime)Feb 11:00 — altitude 22° (daytime)Feb 12:00 — altitude 14° (daytime)Feb 13:00 — altitude 6° (daytime)Feb 14:00 — altitude 0° (daytime)Feb 15:00 — altitude -4° (daytime)Feb 16:00 — altitude -7° (daytime)Feb 17:00 — altitude -8° (daytime)Feb 18:00 — altitude -7° (twilight)Feb 19:00 — altitude -3° (twilight)Feb 20:00 — altitude 2°Feb 21:00 — altitude 9°Feb 22:00 — altitude 17°Feb 23:00 — altitude 26°Feb: best around 05:00 localMarMar 00:00 — altitude 52°Mar 01:00 — altitude 61°Mar 02:00 — altitude 69°Mar 03:00 — altitude 72°Mar 04:00 — altitude 69°Mar 05:00 — altitude 62° (twilight)Mar 06:00 — altitude 52° (daytime)Mar 07:00 — altitude 43° (daytime)Mar 08:00 — altitude 33° (daytime)Mar 09:00 — altitude 24° (daytime)Mar 10:00 — altitude 15° (daytime)Mar 11:00 — altitude 8° (daytime)Mar 12:00 — altitude 1° (daytime)Mar 13:00 — altitude -4° (daytime)Mar 14:00 — altitude -7° (daytime)Mar 15:00 — altitude -8° (daytime)Mar 16:00 — altitude -7° (daytime)Mar 17:00 — altitude -4° (daytime)Mar 18:00 — altitude 1° (daytime)Mar 19:00 — altitude 8° (twilight)Mar 20:00 — altitude 16°Mar 21:00 — altitude 24°Mar 22:00 — altitude 33°Mar 23:00 — altitude 43°Mar: best around 03:00 localAprApr 00:00 — altitude 69°Apr 01:00 — altitude 72°Apr 02:00 — altitude 69°Apr 03:00 — altitude 61°Apr 04:00 — altitude 52° (twilight)Apr 05:00 — altitude 42° (daytime)Apr 06:00 — altitude 33° (daytime)Apr 07:00 — altitude 24° (daytime)Apr 08:00 — altitude 15° (daytime)Apr 09:00 — altitude 7° (daytime)Apr 10:00 — altitude 1° (daytime)Apr 11:00 — altitude -4° (daytime)Apr 12:00 — altitude -7° (daytime)Apr 13:00 — altitude -8° (daytime)Apr 14:00 — altitude -7° (daytime)Apr 15:00 — altitude -4° (daytime)Apr 16:00 — altitude 1° (daytime)Apr 17:00 — altitude 8° (daytime)Apr 18:00 — altitude 16° (daytime)Apr 19:00 — altitude 25° (daytime)Apr 20:00 — altitude 34° (twilight)Apr 21:00 — altitude 43°Apr 22:00 — altitude 53°Apr 23:00 — altitude 62°Apr: best around 01:00 localMayMay 00:00 — altitude 69°May 01:00 — altitude 62°May 02:00 — altitude 52° (twilight)May 03:00 — altitude 43° (twilight)May 04:00 — altitude 33° (daytime)May 05:00 — altitude 24° (daytime)May 06:00 — altitude 15° (daytime)May 07:00 — altitude 8° (daytime)May 08:00 — altitude 1° (daytime)May 09:00 — altitude -4° (daytime)May 10:00 — altitude -7° (daytime)May 11:00 — altitude -8° (daytime)May 12:00 — altitude -7° (daytime)May 13:00 — altitude -4° (daytime)May 14:00 — altitude 1° (daytime)May 15:00 — altitude 8° (daytime)May 16:00 — altitude 16° (daytime)May 17:00 — altitude 24° (daytime)May 18:00 — altitude 33° (daytime)May 19:00 — altitude 43° (daytime)May 20:00 — altitude 53° (daytime)May 21:00 — altitude 62° (twilight)May 22:00 — altitude 69° (twilight)May 23:00 — altitude 72°May: best around 23:00 localJunJun 00:00 — altitude 52° (twilight)Jun 01:00 — altitude 43° (twilight)Jun 02:00 — altitude 33° (twilight)Jun 03:00 — altitude 24° (twilight)Jun 04:00 — altitude 15° (daytime)Jun 05:00 — altitude 7° (daytime)Jun 06:00 — altitude 1° (daytime)Jun 07:00 — altitude -4° (daytime)Jun 08:00 — altitude -7° (daytime)Jun 09:00 — altitude -8° (daytime)Jun 10:00 — altitude -7° (daytime)Jun 11:00 — altitude -4° (daytime)Jun 12:00 — altitude 1° (daytime)Jun 13:00 — altitude 8° (daytime)Jun 14:00 — altitude 16° (daytime)Jun 15:00 — altitude 24° (daytime)Jun 16:00 — altitude 34° (daytime)Jun 17:00 — altitude 43° (daytime)Jun 18:00 — altitude 53° (daytime)Jun 19:00 — altitude 62° (daytime)Jun 20:00 — altitude 69° (daytime)Jun 21:00 — altitude 72° (twilight)Jun 22:00 — altitude 68° (twilight)Jun 23:00 — altitude 61° (twilight)JulJul 00:00 — altitude 33°Jul 01:00 — altitude 24° (twilight)Jul 02:00 — altitude 15° (twilight)Jul 03:00 — altitude 8° (twilight)Jul 04:00 — altitude 1° (daytime)Jul 05:00 — altitude -4° (daytime)Jul 06:00 — altitude -7° (daytime)Jul 07:00 — altitude -8° (daytime)Jul 08:00 — altitude -7° (daytime)Jul 09:00 — altitude -4° (daytime)Jul 10:00 — altitude 1° (daytime)Jul 11:00 — altitude 8° (daytime)Jul 12:00 — altitude 16° (daytime)Jul 13:00 — altitude 24° (daytime)Jul 14:00 — altitude 33° (daytime)Jul 15:00 — altitude 43° (daytime)Jul 16:00 — altitude 53° (daytime)Jul 17:00 — altitude 62° (daytime)Jul 18:00 — altitude 69° (daytime)Jul 19:00 — altitude 72° (daytime)Jul 20:00 — altitude 69° (daytime)Jul 21:00 — altitude 61° (twilight)Jul 22:00 — altitude 52° (twilight)Jul 23:00 — altitude 42° (twilight)Jul: best around 00:00 localAugAug 00:00 — altitude 15°Aug 01:00 — altitude 7°Aug 02:00 — altitude 1°Aug 03:00 — altitude -4° (twilight)Aug 04:00 — altitude -7° (twilight)Aug 05:00 — altitude -8° (daytime)Aug 06:00 — altitude -7° (daytime)Aug 07:00 — altitude -4° (daytime)Aug 08:00 — altitude 1° (daytime)Aug 09:00 — altitude 8° (daytime)Aug 10:00 — altitude 16° (daytime)Aug 11:00 — altitude 24° (daytime)Aug 12:00 — altitude 34° (daytime)Aug 13:00 — altitude 43° (daytime)Aug 14:00 — altitude 53° (daytime)Aug 15:00 — altitude 62° (daytime)Aug 16:00 — altitude 69° (daytime)Aug 17:00 — altitude 72° (daytime)Aug 18:00 — altitude 68° (daytime)Aug 19:00 — altitude 61° (daytime)Aug 20:00 — altitude 52° (twilight)Aug 21:00 — altitude 42° (twilight)Aug 22:00 — altitude 32°Aug 23:00 — altitude 23°Aug: best around 22:00 localSepSep 00:00 — altitude 1°Sep 01:00 — altitude -4°Sep 02:00 — altitude -7°Sep 03:00 — altitude -8°Sep 04:00 — altitude -7° (twilight)Sep 05:00 — altitude -3° (twilight)Sep 06:00 — altitude 2° (daytime)Sep 07:00 — altitude 8° (daytime)Sep 08:00 — altitude 16° (daytime)Sep 09:00 — altitude 25° (daytime)Sep 10:00 — altitude 34° (daytime)Sep 11:00 — altitude 44° (daytime)Sep 12:00 — altitude 53° (daytime)Sep 13:00 — altitude 62° (daytime)Sep 14:00 — altitude 69° (daytime)Sep 15:00 — altitude 72° (daytime)Sep 16:00 — altitude 68° (daytime)Sep 17:00 — altitude 60° (daytime)Sep 18:00 — altitude 51° (daytime)Sep 19:00 — altitude 42° (twilight)Sep 20:00 — altitude 32° (twilight)Sep 21:00 — altitude 23°Sep 22:00 — altitude 14°Sep 23:00 — altitude 7°Sep: best around 21:00 localOctOct 00:00 — altitude -7°Oct 01:00 — altitude -8°Oct 02:00 — altitude -7°Oct 03:00 — altitude -4°Oct 04:00 — altitude 1°Oct 05:00 — altitude 8° (twilight)Oct 06:00 — altitude 16° (daytime)Oct 07:00 — altitude 24° (daytime)Oct 08:00 — altitude 34° (daytime)Oct 09:00 — altitude 43° (daytime)Oct 10:00 — altitude 53° (daytime)Oct 11:00 — altitude 62° (daytime)Oct 12:00 — altitude 69° (daytime)Oct 13:00 — altitude 72° (daytime)Oct 14:00 — altitude 68° (daytime)Oct 15:00 — altitude 61° (daytime)Oct 16:00 — altitude 52° (daytime)Oct 17:00 — altitude 42° (daytime)Oct 18:00 — altitude 32° (twilight)Oct 19:00 — altitude 23°Oct 20:00 — altitude 15°Oct 21:00 — altitude 7°Oct 22:00 — altitude 1°Oct 23:00 — altitude -4°Oct: best around 19:00 localNovNov 00:00 — altitude -7°Nov 01:00 — altitude -3°Nov 02:00 — altitude 2°Nov 03:00 — altitude 8°Nov 04:00 — altitude 16°Nov 05:00 — altitude 25°Nov 06:00 — altitude 34° (twilight)Nov 07:00 — altitude 44° (daytime)Nov 08:00 — altitude 53° (daytime)Nov 09:00 — altitude 62° (daytime)Nov 10:00 — altitude 69° (daytime)Nov 11:00 — altitude 72° (daytime)Nov 12:00 — altitude 68° (daytime)Nov 13:00 — altitude 60° (daytime)Nov 14:00 — altitude 51° (daytime)Nov 15:00 — altitude 42° (daytime)Nov 16:00 — altitude 32° (daytime)Nov 17:00 — altitude 23° (twilight)Nov 18:00 — altitude 14° (twilight)Nov 19:00 — altitude 7°Nov 20:00 — altitude 0°Nov 21:00 — altitude -4°Nov 22:00 — altitude -7°Nov 23:00 — altitude -8°Nov: best around 05:00 localDecDec 00:00 — altitude 1°Dec 01:00 — altitude 8°Dec 02:00 — altitude 16°Dec 03:00 — altitude 24°Dec 04:00 — altitude 34°Dec 05:00 — altitude 43°Dec 06:00 — altitude 53° (twilight)Dec 07:00 — altitude 62° (twilight)Dec 08:00 — altitude 69° (daytime)Dec 09:00 — altitude 72° (daytime)Dec 10:00 — altitude 68° (daytime)Dec 11:00 — altitude 61° (daytime)Dec 12:00 — altitude 52° (daytime)Dec 13:00 — altitude 42° (daytime)Dec 14:00 — altitude 32° (daytime)Dec 15:00 — altitude 23° (daytime)Dec 16:00 — altitude 15° (daytime)Dec 17:00 — altitude 7° (twilight)Dec 18:00 — altitude 1°Dec 19:00 — altitude -4°Dec 20:00 — altitude -7°Dec 21:00 — altitude -8°Dec 22:00 — altitude -7°Dec 23:00 — altitude -3°Dec: best around 05:00 local
below horizon astronomical dark — low to high altitude twilight daytime (sun up) best night-time hour

Right now

Daytime
14°
NE (az 56°)
rising

Upcoming (local)

Rise 11:45
Transit 20:55 72°
Set 06:07

Across the year

Best month April
Peak altitude 72°
Circumpolar here no
Dark-sky hours / year 1978

Neighboring Constellations

Corona Borealis Virgo Coma Berenices Ursa Major

見どころの天体 in Bootes

4
Pi Boo

HIP 71762; Pi Boo; 29 Boo

4.94 mag 5.4″ B: 5.8 B9pMnHgSi Easy
34 Boo

HIP 71995; 34 Boo

4.81 mag 4.62 - 4.93 SRB M3-III Medium
HIP 70327
5.12 mag 6.4″ B: 6.8 A0V Easy
Iota Boo

HIP 69713; Iota Boo; 21 Boo

4.75 mag 38.8″ B: 7.4 A9V Easy

主な恒星 in Bootes

20
Arcturus

HIP 69673; Alpha Boo; 16 Boo

-0.04 mag 0.3″ B: 3.5 K0III CH-1 CN-0.5 Easy
Mufrid

HIP 67927; Eta Boo; 8 Boo

2.68 mag G0IV Easy
Izar

HIP 72105; Epsilon Boo; 36 Boo

2.70 mag 2.8″ B: 4.8 G9II-III Medium
Seginus

HIP 71075; Gamma Boo; 27 Boo

3.03 mag A7IV+(n) Easy
Delta Boo

HIP 74666; Delta Boo; 49 Boo

3.47 mag 104.7″ B: 7.9 G8IV Easy
Nekkar

HIP 73555; Beta Boo; 42 Boo

3.50 mag G8IIIa Fe-0.5 Easy
Rho Boo

HIP 71053; Rho Boo; 25 Boo

3.58 mag K3- III Easy
Theta Boo

HIP 70497; Theta Boo; 23 Boo

4.05 mag 69.4″ B: 11.5 F7V Hard
Upsilon Boo

HIP 67459; Upsilon Boo; 5 Boo

4.07 mag K5.5III Easy
Xuange

HIP 69732; Lambda Boo; 19 Boo

4.18 mag A0p Easy
Alkalurops

HIP 75411; Mu Boo; 51 Boo

4.31 mag 109.2″ B: 7.1 F2IVa Easy
Zeta Boo

HIP 71795; Zeta Boo; 30 Boo

4.43 mag 0.3″ B: 4.5 A2III Easy
Sigma Boo

HIP 71284; Sigma Boo; 28 Boo

4.46 mag F2V Easy
Tau Boo

HIP 67275; Tau Boo; 4 Boo

4.50 mag 1.5″ B: 11.1 F6IV Very Hard
Kappa Boo

HIP 69483; Kappa2 Boo; 17 Boo

4.54 mag 13.7″ B: 6.6 A8IV Easy
Psi Boo

HIP 73745; Psi Boo; 43 Boo

4.54 mag K2III Easy
Xi Boo

HIP 72659; Xi Boo; 37 Boo

4.55 mag 4.7″ B: 7.0 G8Ve+K4Ve Medium
35 Boo

HIP 72125; 35 Boo

4.60 mag G8.5III Easy
Iota Boo

HIP 69713; Iota Boo; 21 Boo

4.75 mag 38.8″ B: 7.4 A9V Easy
44 Boo

HIP 73695; 44 Boo

4.76 mag 4.7 - 4.9 EW/KW F9-G1Vn Medium

二重星 in Bootes

15
Pi Boo

HIP 71762; Pi Boo; 29 Boo

4.94 mag 5.4″ B: 5.8 B9pMnHgSi Easy
HIP 70327
5.12 mag 6.4″ B: 6.8 A0V Easy
Iota Boo

HIP 69713; Iota Boo; 21 Boo

4.75 mag 38.8″ B: 7.4 A9V Easy
Xi Boo

HIP 72659; Xi Boo; 37 Boo

4.55 mag 4.7″ B: 7.0 G8Ve+K4Ve Medium
HIP 70786
7.12 mag 25.3″ B: 7.6 A1V Easy
1 Boo

HIP 66727; 1 Boo

5.75 mag 4.4″ B: 9.6 A1V Hard
Kappa Boo

HIP 69483; Kappa2 Boo; 17 Boo

4.54 mag 13.7″ B: 6.6 A8IV Easy
39 Boo

HIP 72524; 39 Boo

5.69 mag 2.5″ B: 6.7 F6V+F5V Hard
HIP 72508
6.51 mag 15.1″ B: 9.6 F5IV Medium
Izar

HIP 72105; Epsilon Boo; 36 Boo

2.70 mag 2.8″ B: 4.8 G9II-III Medium
HIP 70892
6.06 mag 26.7″ B: 10.6 A0V s Hard
HIP 73068
6.12 mag 5.1″ B: 11.1 A2V Hard
Alkalurops

HIP 75411; Mu Boo; 51 Boo

4.31 mag 109.2″ B: 7.1 F2IVa Easy
Theta Boo

HIP 70497; Theta Boo; 23 Boo

4.05 mag 69.4″ B: 11.5 F7V Hard
Delta Boo

HIP 74666; Delta Boo; 49 Boo

3.47 mag 104.7″ B: 7.9 G8IV Easy

変光星 in Bootes

2
34 Boo

HIP 71995; 34 Boo

4.81 mag 4.62 - 4.93 SRB M3-III Medium
44 Boo

HIP 73695; 44 Boo

4.76 mag 4.7 - 4.9 EW/KW F9-G1Vn Medium

深宇宙天体 in Bootes

30
球状星団 (1)
NGC 5466 survey image
NGC 5466
9.1 mag 11.0 Medium
銀河 (29)
NGC 5248 survey image
NGC 5248
10.2 mag 6.5 SABbc Medium
NGC 5676 survey image
NGC 5676
10.9 mag 3.9 Sc Hard
NGC 5533 survey image
NGC 5533
11.8 mag 3.2 SABa Hard
NGC 5899 survey image
NGC 5899
11.8 mag 3.0 Sc Very Hard
IC 1029 survey image
IC 1029
11.29 mag 3.0 SABb Hard
NGC 5859 survey image
NGC 5859
12.4 mag 3.0 SBbc Very Hard
NGC 5633 survey image
NGC 5633
12.3 mag 2.3 Sb Very Hard
NGC 5614 survey image
NGC 5614
11.7 mag 2.7 Sab Very Hard
NGC 5660 survey image
NGC 5660
11.8 mag 2.8 SABc Very Hard
NGC 5857 survey image
NGC 5857
13.1 mag 1.4 SBab Very Hard
NGC 5930 survey image
NGC 5930
13.0 mag 2.0 SABa Very Hard
NGC 5934 survey image
NGC 5934
14.0 mag SBa Very Hard
NGC 5689 survey image
NGC 5689
11.9 mag 3.7 S0-a Hard
NGC 5893 survey image
NGC 5893
14.0 mag 1.4 SBb Very Hard
IC 1021 survey image
IC 1021
15.0 mag 1.2 SBa Very Hard
IC 1076 survey image
IC 1076
13.69 mag 1.2 SBb Very Hard
NGC 5487 survey image
NGC 5487
14.0 mag SABb Very Hard
NGC 5505 survey image
NGC 5505
14.0 mag SBa Very Hard
NGC 5522 survey image
NGC 5522
14.0 mag SBb Very Hard
NGC 5647 survey image
NGC 5647
15.0 mag SABa Very Hard
NGC 5557 survey image
NGC 5557
11.1 mag 2.4 E1 Hard
NGC 5820 survey image
NGC 5820
11.9 mag 2.5 S0 Hard
IC 4403 survey image
IC 4403
15.0 mag 1.4 SBa Very Hard
NGC 5519 survey image
NGC 5519
13.66 mag SBa Very Hard
NGC 5550 survey image
NGC 5550
14.0 mag SBb Very Hard
NGC 5610 survey image
NGC 5610
14.0 mag SBab Very Hard
NGC 5675 survey image
NGC 5675
14.0 mag SBab Very Hard
NGC 5711 survey image
NGC 5711
15.0 mag SBa Very Hard
NGC 5532 survey image
NGC 5532
12.0 mag 1.9 S0 Hard