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Octans

はちぶんぎ座

Genitive: Octantis

Southern 秋 291 sq° Oct

最輝星： Nu Octantis (mag 3.73)

RA 22h 00m 0.0s · Dec -83d 00' 0"

星図で開く ファインダーチャート カタログを見る
Octans - 神話

神話

ラカーユが創設した星座で、航海用計器の八分儀を表す。天の南極を含む。

観測の見どころ

南極の星座。シグマ・オクタンティスは天の南極に最も近い肉眼星だが、非常に暗い（5.4等級）ため、北のポラリスとは異なる。

When is Octans 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 -55°Jan 01:00 — altitude -56°Jan 02:00 — altitude -57°Jan 03:00 — altitude -57°Jan 04:00 — altitude -56°Jan 05:00 — altitude -55°Jan 06:00 — altitude -54° (twilight)Jan 07:00 — altitude -52° (twilight)Jan 08:00 — altitude -50° (daytime)Jan 09:00 — altitude -48° (daytime)Jan 10:00 — altitude -47° (daytime)Jan 11:00 — altitude -45° (daytime)Jan 12:00 — altitude -44° (daytime)Jan 13:00 — altitude -43° (daytime)Jan 14:00 — altitude -43° (daytime)Jan 15:00 — altitude -43° (daytime)Jan 16:00 — altitude -44° (daytime)Jan 17:00 — altitude -44° (daytime)Jan 18:00 — altitude -46° (twilight)Jan 19:00 — altitude -47°Jan 20:00 — altitude -49°Jan 21:00 — altitude -51°Jan 22:00 — altitude -53°Jan 23:00 — altitude -54°FebFeb 00:00 — altitude -57°Feb 01:00 — altitude -57°Feb 02:00 — altitude -56°Feb 03:00 — altitude -55°Feb 04:00 — altitude -54°Feb 05:00 — altitude -52°Feb 06:00 — altitude -50° (twilight)Feb 07:00 — altitude -48° (daytime)Feb 08:00 — altitude -47° (daytime)Feb 09:00 — altitude -45° (daytime)Feb 10:00 — altitude -44° (daytime)Feb 11:00 — altitude -43° (daytime)Feb 12:00 — altitude -43° (daytime)Feb 13:00 — altitude -43° (daytime)Feb 14:00 — altitude -44° (daytime)Feb 15:00 — altitude -44° (daytime)Feb 16:00 — altitude -46° (daytime)Feb 17:00 — altitude -47° (daytime)Feb 18:00 — altitude -49° (twilight)Feb 19:00 — altitude -51° (twilight)Feb 20:00 — altitude -53°Feb 21:00 — altitude -54°Feb 22:00 — altitude -56°Feb 23:00 — altitude -57°MarMar 00:00 — altitude -56°Mar 01:00 — altitude -55°Mar 02:00 — altitude -54°Mar 03:00 — altitude -52°Mar 04:00 — altitude -50°Mar 05:00 — altitude -49° (twilight)Mar 06:00 — altitude -47° (daytime)Mar 07:00 — altitude -45° (daytime)Mar 08:00 — altitude -44° (daytime)Mar 09:00 — altitude -43° (daytime)Mar 10:00 — altitude -43° (daytime)Mar 11:00 — altitude -43° (daytime)Mar 12:00 — altitude -43° (daytime)Mar 13:00 — altitude -44° (daytime)Mar 14:00 — altitude -46° (daytime)Mar 15:00 — altitude -47° (daytime)Mar 16:00 — altitude -49° (daytime)Mar 17:00 — altitude -51° (daytime)Mar 18:00 — altitude -52° (daytime)Mar 19:00 — altitude -54° (twilight)Mar 20:00 — altitude -55°Mar 21:00 — altitude -56°Mar 22:00 — altitude -57°Mar 23:00 — altitude -57°AprApr 00:00 — altitude -54°Apr 01:00 — altitude -52°Apr 02:00 — altitude -50°Apr 03:00 — altitude -49°Apr 04:00 — altitude -47° (twilight)Apr 05:00 — altitude -45° (daytime)Apr 06:00 — altitude -44° (daytime)Apr 07:00 — altitude -43° (daytime)Apr 08:00 — altitude -43° (daytime)Apr 09:00 — altitude -43° (daytime)Apr 10:00 — altitude -44° (daytime)Apr 11:00 — altitude -44° (daytime)Apr 12:00 — altitude -46° (daytime)Apr 13:00 — altitude -47° (daytime)Apr 14:00 — altitude -49° (daytime)Apr 15:00 — altitude -51° (daytime)Apr 16:00 — altitude -52° (daytime)Apr 17:00 — altitude -54° (daytime)Apr 18:00 — altitude -55° (daytime)Apr 19:00 — altitude -56° (daytime)Apr 20:00 — altitude -57° (twilight)Apr 21:00 — altitude -57°Apr 22:00 — altitude -56°Apr 23:00 — altitude -55°MayMay 00:00 — altitude -50°May 01:00 — altitude -49°May 02:00 — altitude -47° (twilight)May 03:00 — altitude -45° (twilight)May 04:00 — altitude -44° (daytime)May 05:00 — altitude -43° (daytime)May 06:00 — altitude -43° (daytime)May 07:00 — altitude -43° (daytime)May 08:00 — altitude -43° (daytime)May 09:00 — altitude -44° (daytime)May 10:00 — altitude -46° (daytime)May 11:00 — altitude -47° (daytime)May 12:00 — altitude -49° (daytime)May 13:00 — altitude -50° (daytime)May 14:00 — altitude -52° (daytime)May 15:00 — altitude -54° (daytime)May 16:00 — altitude -55° (daytime)May 17:00 — altitude -56° (daytime)May 18:00 — altitude -57° (daytime)May 19:00 — altitude -57° (daytime)May 20:00 — altitude -56° (daytime)May 21:00 — altitude -55° (twilight)May 22:00 — altitude -54° (twilight)May 23:00 — altitude -52°JunJun 00:00 — altitude -47° (twilight)Jun 01:00 — altitude -45° (twilight)Jun 02:00 — altitude -44° (twilight)Jun 03:00 — altitude -43° (twilight)Jun 04:00 — altitude -43° (daytime)Jun 05:00 — altitude -43° (daytime)Jun 06:00 — altitude -44° (daytime)Jun 07:00 — altitude -44° (daytime)Jun 08:00 — altitude -46° (daytime)Jun 09:00 — altitude -47° (daytime)Jun 10:00 — altitude -49° (daytime)Jun 11:00 — altitude -51° (daytime)Jun 12:00 — altitude -52° (daytime)Jun 13:00 — altitude -54° (daytime)Jun 14:00 — altitude -55° (daytime)Jun 15:00 — altitude -56° (daytime)Jun 16:00 — altitude -57° (daytime)Jun 17:00 — altitude -57° (daytime)Jun 18:00 — altitude -56° (daytime)Jun 19:00 — altitude -55° (daytime)Jun 20:00 — altitude -54° (daytime)Jun 21:00 — altitude -52° (twilight)Jun 22:00 — altitude -50° (twilight)Jun 23:00 — altitude -48° (twilight)JulJul 00:00 — altitude -44°Jul 01:00 — altitude -43° (twilight)Jul 02:00 — altitude -43° (twilight)Jul 03:00 — altitude -43° (twilight)Jul 04:00 — altitude -43° (daytime)Jul 05:00 — altitude -44° (daytime)Jul 06:00 — altitude -46° (daytime)Jul 07:00 — altitude -47° (daytime)Jul 08:00 — altitude -49° (daytime)Jul 09:00 — altitude -50° (daytime)Jul 10:00 — altitude -52° (daytime)Jul 11:00 — altitude -54° (daytime)Jul 12:00 — altitude -55° (daytime)Jul 13:00 — altitude -56° (daytime)Jul 14:00 — altitude -57° (daytime)Jul 15:00 — altitude -57° (daytime)Jul 16:00 — altitude -56° (daytime)Jul 17:00 — altitude -55° (daytime)Jul 18:00 — altitude -54° (daytime)Jul 19:00 — altitude -52° (daytime)Jul 20:00 — altitude -50° (daytime)Jul 21:00 — altitude -48° (twilight)Jul 22:00 — altitude -47° (twilight)Jul 23:00 — altitude -45° (twilight)AugAug 00:00 — altitude -43°Aug 01:00 — altitude -43°Aug 02:00 — altitude -44°Aug 03:00 — altitude -44° (twilight)Aug 04:00 — altitude -46° (twilight)Aug 05:00 — altitude -47° (daytime)Aug 06:00 — altitude -49° (daytime)Aug 07:00 — altitude -51° (daytime)Aug 08:00 — altitude -52° (daytime)Aug 09:00 — altitude -54° (daytime)Aug 10:00 — altitude -55° (daytime)Aug 11:00 — altitude -56° (daytime)Aug 12:00 — altitude -57° (daytime)Aug 13:00 — altitude -57° (daytime)Aug 14:00 — altitude -56° (daytime)Aug 15:00 — altitude -55° (daytime)Aug 16:00 — altitude -54° (daytime)Aug 17:00 — altitude -52° (daytime)Aug 18:00 — altitude -50° (daytime)Aug 19:00 — altitude -48° (daytime)Aug 20:00 — altitude -47° (twilight)Aug 21:00 — altitude -45° (twilight)Aug 22:00 — altitude -44°Aug 23:00 — altitude -43°SepSep 00:00 — altitude -44°Sep 01:00 — altitude -44°Sep 02:00 — altitude -46°Sep 03:00 — altitude -47°Sep 04:00 — altitude -49° (twilight)Sep 05:00 — altitude -51° (twilight)Sep 06:00 — altitude -52° (daytime)Sep 07:00 — altitude -54° (daytime)Sep 08:00 — altitude -55° (daytime)Sep 09:00 — altitude -56° (daytime)Sep 10:00 — altitude -57° (daytime)Sep 11:00 — altitude -57° (daytime)Sep 12:00 — altitude -56° (daytime)Sep 13:00 — altitude -55° (daytime)Sep 14:00 — altitude -54° (daytime)Sep 15:00 — altitude -52° (daytime)Sep 16:00 — altitude -50° (daytime)Sep 17:00 — altitude -48° (daytime)Sep 18:00 — altitude -47° (daytime)Sep 19:00 — altitude -45° (twilight)Sep 20:00 — altitude -44° (twilight)Sep 21:00 — altitude -43°Sep 22:00 — altitude -43°Sep 23:00 — altitude -43°OctOct 00:00 — altitude -46°Oct 01:00 — altitude -47°Oct 02:00 — altitude -49°Oct 03:00 — altitude -51°Oct 04:00 — altitude -52°Oct 05:00 — altitude -54° (twilight)Oct 06:00 — altitude -55° (daytime)Oct 07:00 — altitude -56° (daytime)Oct 08:00 — altitude -57° (daytime)Oct 09:00 — altitude -57° (daytime)Oct 10:00 — altitude -56° (daytime)Oct 11:00 — altitude -55° (daytime)Oct 12:00 — altitude -54° (daytime)Oct 13:00 — altitude -52° (daytime)Oct 14:00 — altitude -50° (daytime)Oct 15:00 — altitude -48° (daytime)Oct 16:00 — altitude -47° (daytime)Oct 17:00 — altitude -45° (daytime)Oct 18:00 — altitude -44° (twilight)Oct 19:00 — altitude -43°Oct 20:00 — altitude -43°Oct 21:00 — altitude -43°Oct 22:00 — altitude -44°Oct 23:00 — altitude -44°NovNov 00:00 — altitude -49°Nov 01:00 — altitude -51°Nov 02:00 — altitude -52°Nov 03:00 — altitude -54°Nov 04:00 — altitude -55°Nov 05:00 — altitude -56°Nov 06:00 — altitude -57° (twilight)Nov 07:00 — altitude -57° (daytime)Nov 08:00 — altitude -56° (daytime)Nov 09:00 — altitude -55° (daytime)Nov 10:00 — altitude -54° (daytime)Nov 11:00 — altitude -52° (daytime)Nov 12:00 — altitude -50° (daytime)Nov 13:00 — altitude -48° (daytime)Nov 14:00 — altitude -47° (daytime)Nov 15:00 — altitude -45° (daytime)Nov 16:00 — altitude -44° (daytime)Nov 17:00 — altitude -43° (twilight)Nov 18:00 — altitude -43° (twilight)Nov 19:00 — altitude -43°Nov 20:00 — altitude -44°Nov 21:00 — altitude -44°Nov 22:00 — altitude -46°Nov 23:00 — altitude -47°DecDec 00:00 — altitude -52°Dec 01:00 — altitude -54°Dec 02:00 — altitude -55°Dec 03:00 — altitude -56°Dec 04:00 — altitude -57°Dec 05:00 — altitude -57°Dec 06:00 — altitude -56° (twilight)Dec 07:00 — altitude -55° (twilight)Dec 08:00 — altitude -54° (daytime)Dec 09:00 — altitude -52° (daytime)Dec 10:00 — altitude -50° (daytime)Dec 11:00 — altitude -48° (daytime)Dec 12:00 — altitude -47° (daytime)Dec 13:00 — altitude -45° (daytime)Dec 14:00 — altitude -44° (daytime)Dec 15:00 — altitude -43° (daytime)Dec 16:00 — altitude -43° (daytime)Dec 17:00 — altitude -43° (twilight)Dec 18:00 — altitude -44°Dec 19:00 — altitude -44°Dec 20:00 — altitude -46°Dec 21:00 — altitude -47°Dec 22:00 — altitude -49°Dec 23:00 — altitude -51°
below horizon astronomical dark — low to high altitude twilight daytime (sun up) best night-time hour

Right now

Daytime
Below horizon (-45°)

Upcoming (local)

Never rises from this latitude

Across the year

Best month September
Peak altitude -43°
Circumpolar here no
Dark-sky hours / year —

Neighboring Constellations

Hydrus Tucana Chamaeleon Apus

見どころの天体 in Octans

1
Epsilon Oct

HIP 110256; Epsilon Oct

5.10 mag 4.58 - 5.30 SRB M5III Medium

主な恒星 in Octans

20
Nu Oct

HIP 107089; Nu Oct

3.76 mag K1III Easy
Beta Oct

HIP 112405; Beta Oct

4.15 mag A9IV-V Easy
Delta Oct

HIP 70638; Delta Oct

4.32 mag K2III Easy
Theta Oct

HIP 122; Theta Oct

4.78 mag K3III Easy
Epsilon Oct

HIP 110256; Epsilon Oct

5.10 mag 4.58 - 5.30 SRB M5III Medium
Gamma Oct

HIP 117689; Gamma1 Oct

5.11 mag G7III Easy
Alpha Oct

HIP 104043; Alpha Oct

5.15 mag A7III+G2III Easy
Gamma Oct

HIP 814; Gamma3 Oct

5.28 mag G8III Easy
Chi Oct

HIP 92824; Chi Oct

5.28 mag K3III Easy
Lambda Oct

HIP 107843; Lambda Oct

5.29 mag 3.3″ B: 7.3 G8-K0III Medium
Xi Oct

HIP 112781; Xi Oct

5.35 mag B6IV Easy
Zeta Oct

HIP 43908; Zeta Oct

5.42 mag A8-9IV Easy
Iota Oct

HIP 63031; Iota Oct

5.46 mag 0.7″ B: 6.9 K0III Very Hard
Phi Oct

HIP 90133; Phi Oct

5.47 mag A0V Easy
Polaris Australis

HIP 104382; Sigma Oct

5.47 mag F0III Easy
Tau Oct

HIP 115836; Tau Oct

5.49 mag K2III Easy
Psi Oct

HIP 110078; Psi Oct

5.51 mag F3III Easy
Rho Oct

HIP 76996; Rho Oct

5.57 mag 65.8″ B: 11.6 A2V Very Hard
Kappa Oct

HIP 66753; Kappa Oct

5.58 mag Am Easy
Pi Oct

HIP 73540; Pi Oct

5.65 mag G8-K0III Easy

二重星 in Octans

12
HIP 110712
6.04 mag 21.3″ B: 8.8 G3V Easy
Mu Oct

HIP 102125; Mu Oct

6.55 mag 16.7″ B: 7.1 G5III Easy
Lambda Oct

HIP 107843; Lambda Oct

5.29 mag 3.3″ B: 7.3 G8-K0III Medium
HIP 58697
6.05 mag 25.0″ B: 9.0 K3III Medium
HIP 108849
5.95 mag 34.8″ B: 10.6 F3III Hard
HIP 106424
6.47 mag 23.8″ B: 10.4 A0V Hard
HIP 101427
5.77 mag 25.5″ B: 10.8 G6-8II Hard
Rho Oct

HIP 76996; Rho Oct

5.57 mag 65.8″ B: 11.6 A2V Very Hard
HIP 17328
6.41 mag 1.9″ B: 8.1 B9.5IV Hard
Iota Oct

HIP 63031; Iota Oct

5.46 mag 0.7″ B: 6.9 K0III Very Hard
Psi Oct

HIP 110078; Psi Oct

5.51 mag F3III Easy
HIP 112725
6.73 mag A4V Easy

変光星 in Octans

1
Epsilon Oct

HIP 110256; Epsilon Oct

5.10 mag 4.58 - 5.30 SRB M5III Medium

深宇宙天体 in Octans

1
銀河 (1)
NGC 6438 survey image
NGC 6438
13.0 mag 2.6 S0 Very Hard