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Canis Major

おおいぬ座

Genitive: Canis Majoris

Equatorial 冬 380 sq° CMa

最輝星： Sirius (mag -1.46)

RA 06h 56m 0.0s · Dec -22d 00' 0"

棒人間の犬

星図で開く ファインダーチャート カタログを見る
Canis Major - 神話

神話

オリオンの猟犬の一つ、おおいぬ座。シリウス（犬の星）は全天で最も明るい星で、古代エジプトではその出現がナイル川の氾濫を告げるものとして重要であった。

観測の見どころ

シリウスは等級-1.46で冬の夜空を支配する。散開星団M41やNGC 2362（おおいぬ座タウ星団）、輝線星雲NGC 2359（トールのヘルメット星雲）を含む。

When is Canis Major 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 17°Jan 01:00 — altitude 15°Jan 02:00 — altitude 10°Jan 03:00 — altitude 3°Jan 04:00 — altitude -5°Jan 05:00 — altitude -14°Jan 06:00 — altitude -23° (twilight)Jan 07:00 — altitude -33° (twilight)Jan 08:00 — altitude -43° (daytime)Jan 09:00 — altitude -51° (daytime)Jan 10:00 — altitude -58° (daytime)Jan 11:00 — altitude -62° (daytime)Jan 12:00 — altitude -61° (daytime)Jan 13:00 — altitude -55° (daytime)Jan 14:00 — altitude -47° (daytime)Jan 15:00 — altitude -38° (daytime)Jan 16:00 — altitude -29° (daytime)Jan 17:00 — altitude -19° (daytime)Jan 18:00 — altitude -10° (twilight)Jan 19:00 — altitude -1°Jan 20:00 — altitude 6°Jan 21:00 — altitude 12°Jan 22:00 — altitude 16°Jan 23:00 — altitude 18°Jan: best around 23:00 localFebFeb 00:00 — altitude 9°Feb 01:00 — altitude 3°Feb 02:00 — altitude -5°Feb 03:00 — altitude -14°Feb 04:00 — altitude -24°Feb 05:00 — altitude -33°Feb 06:00 — altitude -43° (twilight)Feb 07:00 — altitude -52° (daytime)Feb 08:00 — altitude -58° (daytime)Feb 09:00 — altitude -62° (daytime)Feb 10:00 — altitude -61° (daytime)Feb 11:00 — altitude -55° (daytime)Feb 12:00 — altitude -47° (daytime)Feb 13:00 — altitude -38° (daytime)Feb 14:00 — altitude -28° (daytime)Feb 15:00 — altitude -19° (daytime)Feb 16:00 — altitude -10° (daytime)Feb 17:00 — altitude -1° (daytime)Feb 18:00 — altitude 6° (twilight)Feb 19:00 — altitude 12° (twilight)Feb 20:00 — altitude 16°Feb 21:00 — altitude 18°Feb 22:00 — altitude 17°Feb 23:00 — altitude 14°Feb: best around 21:00 localMarMar 00:00 — altitude -4°Mar 01:00 — altitude -13°Mar 02:00 — altitude -22°Mar 03:00 — altitude -32°Mar 04:00 — altitude -41°Mar 05:00 — altitude -50° (twilight)Mar 06:00 — altitude -57° (daytime)Mar 07:00 — altitude -62° (daytime)Mar 08:00 — altitude -61° (daytime)Mar 09:00 — altitude -56° (daytime)Mar 10:00 — altitude -49° (daytime)Mar 11:00 — altitude -40° (daytime)Mar 12:00 — altitude -30° (daytime)Mar 13:00 — altitude -20° (daytime)Mar 14:00 — altitude -11° (daytime)Mar 15:00 — altitude -2° (daytime)Mar 16:00 — altitude 5° (daytime)Mar 17:00 — altitude 11° (daytime)Mar 18:00 — altitude 16° (daytime)Mar 19:00 — altitude 18° (twilight)Mar 20:00 — altitude 18°Mar 21:00 — altitude 15°Mar 22:00 — altitude 10°Mar 23:00 — altitude 3°Mar: best around 20:00 localAprApr 00:00 — altitude -22°Apr 01:00 — altitude -32°Apr 02:00 — altitude -42°Apr 03:00 — altitude -50°Apr 04:00 — altitude -58° (twilight)Apr 05:00 — altitude -62° (daytime)Apr 06:00 — altitude -61° (daytime)Apr 07:00 — altitude -56° (daytime)Apr 08:00 — altitude -48° (daytime)Apr 09:00 — altitude -39° (daytime)Apr 10:00 — altitude -30° (daytime)Apr 11:00 — altitude -20° (daytime)Apr 12:00 — altitude -11° (daytime)Apr 13:00 — altitude -2° (daytime)Apr 14:00 — altitude 5° (daytime)Apr 15:00 — altitude 12° (daytime)Apr 16:00 — altitude 16° (daytime)Apr 17:00 — altitude 18° (daytime)Apr 18:00 — altitude 17° (daytime)Apr 19:00 — altitude 15° (daytime)Apr 20:00 — altitude 10° (twilight)Apr 21:00 — altitude 3°Apr 22:00 — altitude -5°Apr 23:00 — altitude -14°Apr: best around 21:00 localMayMay 00:00 — altitude -41°May 01:00 — altitude -50°May 02:00 — altitude -57° (twilight)May 03:00 — altitude -62° (twilight)May 04:00 — altitude -61° (daytime)May 05:00 — altitude -56° (daytime)May 06:00 — altitude -49° (daytime)May 07:00 — altitude -40° (daytime)May 08:00 — altitude -30° (daytime)May 09:00 — altitude -20° (daytime)May 10:00 — altitude -11° (daytime)May 11:00 — altitude -2° (daytime)May 12:00 — altitude 5° (daytime)May 13:00 — altitude 11° (daytime)May 14:00 — altitude 16° (daytime)May 15:00 — altitude 18° (daytime)May 16:00 — altitude 18° (daytime)May 17:00 — altitude 15° (daytime)May 18:00 — altitude 10° (daytime)May 19:00 — altitude 3° (daytime)May 20:00 — altitude -5° (daytime)May 21:00 — altitude -13° (twilight)May 22:00 — altitude -23° (twilight)May 23:00 — altitude -32°JunJun 00:00 — altitude -58° (twilight)Jun 01:00 — altitude -62° (twilight)Jun 02:00 — altitude -61° (twilight)Jun 03:00 — altitude -56° (twilight)Jun 04:00 — altitude -48° (daytime)Jun 05:00 — altitude -39° (daytime)Jun 06:00 — altitude -30° (daytime)Jun 07:00 — altitude -20° (daytime)Jun 08:00 — altitude -11° (daytime)Jun 09:00 — altitude -2° (daytime)Jun 10:00 — altitude 5° (daytime)Jun 11:00 — altitude 12° (daytime)Jun 12:00 — altitude 16° (daytime)Jun 13:00 — altitude 18° (daytime)Jun 14:00 — altitude 17° (daytime)Jun 15:00 — altitude 15° (daytime)Jun 16:00 — altitude 10° (daytime)Jun 17:00 — altitude 3° (daytime)Jun 18:00 — altitude -5° (daytime)Jun 19:00 — altitude -14° (daytime)Jun 20:00 — altitude -23° (daytime)Jun 21:00 — altitude -33° (twilight)Jun 22:00 — altitude -42° (twilight)Jun 23:00 — altitude -51° (twilight)JulJul 00:00 — altitude -61°Jul 01:00 — altitude -56° (twilight)Jul 02:00 — altitude -49° (twilight)Jul 03:00 — altitude -40° (twilight)Jul 04:00 — altitude -30° (daytime)Jul 05:00 — altitude -20° (daytime)Jul 06:00 — altitude -11° (daytime)Jul 07:00 — altitude -2° (daytime)Jul 08:00 — altitude 5° (daytime)Jul 09:00 — altitude 11° (daytime)Jul 10:00 — altitude 16° (daytime)Jul 11:00 — altitude 18° (daytime)Jul 12:00 — altitude 18° (daytime)Jul 13:00 — altitude 15° (daytime)Jul 14:00 — altitude 10° (daytime)Jul 15:00 — altitude 3° (daytime)Jul 16:00 — altitude -4° (daytime)Jul 17:00 — altitude -13° (daytime)Jul 18:00 — altitude -23° (daytime)Jul 19:00 — altitude -32° (daytime)Jul 20:00 — altitude -42° (daytime)Jul 21:00 — altitude -51° (twilight)Jul 22:00 — altitude -58° (twilight)Jul 23:00 — altitude -62° (twilight)AugAug 00:00 — altitude -48°Aug 01:00 — altitude -39°Aug 02:00 — altitude -30°Aug 03:00 — altitude -20° (twilight)Aug 04:00 — altitude -11° (twilight)Aug 05:00 — altitude -2° (daytime)Aug 06:00 — altitude 5° (daytime)Aug 07:00 — altitude 12° (daytime)Aug 08:00 — altitude 16° (daytime)Aug 09:00 — altitude 18° (daytime)Aug 10:00 — altitude 17° (daytime)Aug 11:00 — altitude 15° (daytime)Aug 12:00 — altitude 10° (daytime)Aug 13:00 — altitude 3° (daytime)Aug 14:00 — altitude -5° (daytime)Aug 15:00 — altitude -14° (daytime)Aug 16:00 — altitude -23° (daytime)Aug 17:00 — altitude -33° (daytime)Aug 18:00 — altitude -42° (daytime)Aug 19:00 — altitude -51° (daytime)Aug 20:00 — altitude -58° (twilight)Aug 21:00 — altitude -62° (twilight)Aug 22:00 — altitude -61°Aug 23:00 — altitude -56°SepSep 00:00 — altitude -29°Sep 01:00 — altitude -20°Sep 02:00 — altitude -11°Sep 03:00 — altitude -2°Sep 04:00 — altitude 6° (twilight)Sep 05:00 — altitude 12° (twilight)Sep 06:00 — altitude 16° (daytime)Sep 07:00 — altitude 18° (daytime)Sep 08:00 — altitude 17° (daytime)Sep 09:00 — altitude 15° (daytime)Sep 10:00 — altitude 10° (daytime)Sep 11:00 — altitude 3° (daytime)Sep 12:00 — altitude -5° (daytime)Sep 13:00 — altitude -14° (daytime)Sep 14:00 — altitude -23° (daytime)Sep 15:00 — altitude -33° (daytime)Sep 16:00 — altitude -42° (daytime)Sep 17:00 — altitude -51° (daytime)Sep 18:00 — altitude -58° (daytime)Sep 19:00 — altitude -62° (twilight)Sep 20:00 — altitude -61° (twilight)Sep 21:00 — altitude -55°Sep 22:00 — altitude -48°Sep 23:00 — altitude -38°OctOct 00:00 — altitude -11°Oct 01:00 — altitude -2°Oct 02:00 — altitude 5°Oct 03:00 — altitude 11°Oct 04:00 — altitude 16°Oct 05:00 — altitude 18° (twilight)Oct 06:00 — altitude 17° (daytime)Oct 07:00 — altitude 15° (daytime)Oct 08:00 — altitude 10° (daytime)Oct 09:00 — altitude 3° (daytime)Oct 10:00 — altitude -5° (daytime)Oct 11:00 — altitude -14° (daytime)Oct 12:00 — altitude -23° (daytime)Oct 13:00 — altitude -33° (daytime)Oct 14:00 — altitude -42° (daytime)Oct 15:00 — altitude -51° (daytime)Oct 16:00 — altitude -58° (daytime)Oct 17:00 — altitude -62° (daytime)Oct 18:00 — altitude -61° (twilight)Oct 19:00 — altitude -56°Oct 20:00 — altitude -48°Oct 21:00 — altitude -39°Oct 22:00 — altitude -29°Oct 23:00 — altitude -20°Oct: best around 04:00 localNovNov 00:00 — altitude 6°Nov 01:00 — altitude 12°Nov 02:00 — altitude 16°Nov 03:00 — altitude 18°Nov 04:00 — altitude 17°Nov 05:00 — altitude 15°Nov 06:00 — altitude 10° (twilight)Nov 07:00 — altitude 3° (daytime)Nov 08:00 — altitude -5° (daytime)Nov 09:00 — altitude -14° (daytime)Nov 10:00 — altitude -23° (daytime)Nov 11:00 — altitude -33° (daytime)Nov 12:00 — altitude -42° (daytime)Nov 13:00 — altitude -51° (daytime)Nov 14:00 — altitude -58° (daytime)Nov 15:00 — altitude -62° (daytime)Nov 16:00 — altitude -61° (daytime)Nov 17:00 — altitude -55° (twilight)Nov 18:00 — altitude -48° (twilight)Nov 19:00 — altitude -38°Nov 20:00 — altitude -29°Nov 21:00 — altitude -19°Nov 22:00 — altitude -10°Nov 23:00 — altitude -1°Nov: best around 03:00 localDecDec 00:00 — altitude 16°Dec 01:00 — altitude 18°Dec 02:00 — altitude 17°Dec 03:00 — altitude 15°Dec 04:00 — altitude 10°Dec 05:00 — altitude 3°Dec 06:00 — altitude -5° (twilight)Dec 07:00 — altitude -14° (twilight)Dec 08:00 — altitude -23° (daytime)Dec 09:00 — altitude -33° (daytime)Dec 10:00 — altitude -42° (daytime)Dec 11:00 — altitude -51° (daytime)Dec 12:00 — altitude -58° (daytime)Dec 13:00 — altitude -62° (daytime)Dec 14:00 — altitude -61° (daytime)Dec 15:00 — altitude -56° (daytime)Dec 16:00 — altitude -48° (daytime)Dec 17:00 — altitude -39° (twilight)Dec 18:00 — altitude -29°Dec 19:00 — altitude -20°Dec 20:00 — altitude -10°Dec 21:00 — altitude -2°Dec 22:00 — altitude 6°Dec 23:00 — altitude 12°Dec: best around 01:00 local
below horizon astronomical dark — low to high altitude twilight daytime (sun up) best night-time hour

Right now

Daytime
Below horizon (-44°)

Upcoming (local)

Rise 12:19
Transit 16:21 18°
Set 20:27

Across the year

Best month February
Peak altitude 18°
Circumpolar here no
Dark-sky hours / year 1096

Neighboring Constellations

Lepus Monoceros Puppis Columba

見どころの天体 in Canis Major

6
Messier 41 survey image
Messier 41

NGC 2287

4.5 mag 38. Easy
HIP 35210
4.79 mag 26.5″ B: 5.8 K3Ib-II Easy
Caldwell 64 survey image
Caldwell 64

NGC 2362

4.1 mag 8 Easy
Caldwell 58 survey image
Caldwell 58

NGC 2360

7.2 mag 13 Easy
R CMa

HIP 35487

5.70 mag 5.7 - 6.3 EA/SD F1V Medium
NGC 2354 survey image
NGC 2354
6.5 mag 20. Easy

主な恒星 in Canis Major

20
Sirius

HIP 32349; Alpha CMa; 9 CMa

-1.46 mag 11.1″ B: 8.4 A0mA1Va Very Hard
Adara

HIP 33579; Epsilon CMa; 21 CMa

1.50 mag 7.9″ B: 7.5 B1III Hard
Wezen

HIP 34444; Delta CMa; 25 CMa

1.84 mag 265.9″ B: 8.8 F8Ia Easy
Murzim

HIP 30324; Beta CMa; 2 CMa

1.98 mag 186.1″ B: 10.5 B1III Hard
Aludra

HIP 35904; Eta CMa; 31 CMa

2.45 mag 177.0″ B: 6.8 B5Ia Easy
Furud

HIP 30122; Zeta CMa; 1 CMa

3.02 mag 169.6″ B: 7.8 B2.5 V Easy
24 CMa

HIP 33977; 24 CMa

3.02 mag B4Ia Easy
Nganurganity

HIP 33856; Sigma CMa; 22 CMa

3.47 mag K4III Easy
Omega CMa

HIP 35037; Omega CMa; 28 CMa

3.85 mag B2.5Ve Easy
16 CMa

HIP 33152; 16 CMa

3.87 mag K2Iab Easy
Nu CMa

HIP 31592; Nu CMa; 7 CMa

3.95 mag K1III Easy
Kappa CMa

HIP 32759; Kappa CMa; 13 CMa

3.96 mag B1.5Ve Easy
Theta CMa

HIP 33160; Theta CMa; 14 CMa

4.07 mag K4III Easy
Muliphein

HIP 34045; Gamma CMa; 23 CMa

4.12 mag B8II Easy
Xi CMa

HIP 31125; Xi CMa; 4 CMa

4.33 mag B0.5IV Easy
Iota CMa

HIP 33347; Iota CMa; 20 CMa

4.37 mag B3II Easy
Tau CMa

HIP 35415; Tau CMa; 30 CMa

4.40 mag 8.3″ B: 10.2 O9Ib Hard
Nu CMa

HIP 31700; Nu CMa; 8 CMa

4.43 mag 1.2″ B: 8.2 K1-II-III Very Hard
Lambda CMa

HIP 30788; Lambda CMa

4.48 mag B4V Easy
Xi CMa

HIP 31416; Xi CMa; 5 CMa

4.54 mag A0V Easy

二重星 in Canis Major

15
HIP 35210
4.79 mag 26.5″ B: 5.8 K3Ib-II Easy
Nu CMa

HIP 31564; Nu CMa; 6 CMa

5.70 mag 17.4″ B: 7.4 G8III+F3IV-V Easy
Mu CMa

HIP 33345; Mu CMa; 18 CMa

5.00 mag 2.8″ B: 7.1 G5III+A2 Hard
Pi CMa

HIP 33302; Pi CMa; 19 CMa

4.68 mag 11.6″ B: 9.6 gF2 Medium
Sirius

HIP 32349; Alpha CMa; 9 CMa

-1.46 mag 11.1″ B: 8.4 A0mA1Va Very Hard
HIP 34940
6.36 mag 19.3″ B: 9.1 B2IV+G5IV Medium
HIP 32810
5.70 mag 42.7″ B: 7.7 B6Vnpe Easy
17 CMa

HIP 33248; 17 CMa

5.74 mag 48.5″ B: 9.2 A3IV Medium
Adara

HIP 33579; Epsilon CMa; 21 CMa

1.50 mag 7.9″ B: 7.5 B1III Hard
HIP 31593
6.35 mag 9.0″ B: 9.3 B5V Medium
HIP 34489
6.65 mag 15.1″ B: 11.1 B2V Hard
HIP 31190
5.69 mag 24.7″ B: 7.9 B2IVe Easy
HP CMa

HIP 32385

5.80 mag 5.0″ B: 8.2 B2III Medium
HIP 30468
6.12 mag 23.1″ B: 10.5 B5Ve Hard
HIP 32144
6.13 mag 18.0″ B: 8.3 F0 Easy

変光星 in Canis Major

2
R CMa

HIP 35487

5.70 mag 5.7 - 6.3 EA/SD F1V Medium
29 CMa

HIP 35412; 29 CMa

4.98 mag 4.84 - 5.33 EB/KE O7Ia:fp Hard

深宇宙天体 in Canis Major

21
散開星団 (11)
Messier 41 survey image
Messier 41

NGC 2287

4.5 mag 38. Easy
Caldwell 64 survey image
Caldwell 64

NGC 2362

4.1 mag 8 Easy
Caldwell 58 survey image
Caldwell 58

NGC 2360

7.2 mag 13 Easy
NGC 2354 survey image
NGC 2354
6.5 mag 20. Easy
NGC 2374 survey image
NGC 2374
8.0 mag 19. Easy
NGC 2345 survey image
NGC 2345
7.7 mag 12. Easy
NGC 2204 survey image
NGC 2204
8.6 mag 13. Easy
NGC 2383 survey image
NGC 2383
8.4 mag 6. Easy
NGC 2243 survey image
NGC 2243
9.4 mag 5. Medium
NGC 2367 survey image
NGC 2367
7.9 mag 4. Easy
NGC 2384 survey image
NGC 2384
7.4 mag 3. Easy
銀河 (9)
NGC 2217 survey image
NGC 2217
10.4 mag 4.8 S0-a Medium
NGC 2216 survey image
NGC 2216
14.0 mag SABa Very Hard
NGC 2263 survey image
NGC 2263
13.0 mag SBab Very Hard
NGC 2272 survey image
NGC 2272
11.9 mag 2.1 E-S0 Hard
NGC 2212 survey image
NGC 2212
14.0 mag S0-a Very Hard
NGC 2211 survey image
NGC 2211
14.0 mag S0 Very Hard
NGC 2267 survey image
NGC 2267
14.0 mag S0 Very Hard
NGC 2296 survey image
NGC 2296
13.0 mag E Very Hard
NGC 2293 survey image
NGC 2293
13.0 mag S0-a Very Hard
不明 (1)
2362 C survey image
2362 C
4.1 mag 8. Easy