Menu

Eridanus

エリダヌス座

Genitive: Eridani

Equatorial 冬 1138 sq° Eri

最輝星： Achernar (mag 0.46)

RA 03h 39m 60.0s · Dec -30d 00' 0"

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

神話

父ヘリオスの太陽の戦車の制御を失ったパエトンが落ちた天のエリダノス川と関連付けられる大きな天の川。

観測の見どころ

オリオン付近から南方に伸びる6番目に大きな星座。アケルナルは明るい南天の星。惑星状星雲NGC 1535やいくつかの銀河を含む。

When is Eridanus 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 -6°Jan 01:00 — altitude -14°Jan 02:00 — altitude -22°Jan 03:00 — altitude -32°Jan 04:00 — altitude -41°Jan 05:00 — altitude -51°Jan 06:00 — altitude -60° (twilight)Jan 07:00 — altitude -67° (twilight)Jan 08:00 — altitude -70° (daytime)Jan 09:00 — altitude -67° (daytime)Jan 10:00 — altitude -60° (daytime)Jan 11:00 — altitude -51° (daytime)Jan 12:00 — altitude -41° (daytime)Jan 13:00 — altitude -32° (daytime)Jan 14:00 — altitude -22° (daytime)Jan 15:00 — altitude -14° (daytime)Jan 16:00 — altitude -6° (daytime)Jan 17:00 — altitude 1° (daytime)Jan 18:00 — altitude 6° (twilight)Jan 19:00 — altitude 9°Jan 20:00 — altitude 10°Jan 21:00 — altitude 9°Jan 22:00 — altitude 6°Jan 23:00 — altitude 0°Jan: best around 20:00 localFebFeb 00:00 — altitude -23°Feb 01:00 — altitude -32°Feb 02:00 — altitude -41°Feb 03:00 — altitude -51°Feb 04:00 — altitude -60°Feb 05:00 — altitude -67°Feb 06:00 — altitude -70° (twilight)Feb 07:00 — altitude -67° (daytime)Feb 08:00 — altitude -60° (daytime)Feb 09:00 — altitude -51° (daytime)Feb 10:00 — altitude -41° (daytime)Feb 11:00 — altitude -32° (daytime)Feb 12:00 — altitude -22° (daytime)Feb 13:00 — altitude -14° (daytime)Feb 14:00 — altitude -6° (daytime)Feb 15:00 — altitude 1° (daytime)Feb 16:00 — altitude 6° (daytime)Feb 17:00 — altitude 9° (daytime)Feb 18:00 — altitude 10° (twilight)Feb 19:00 — altitude 9° (twilight)Feb 20:00 — altitude 5°Feb 21:00 — altitude 0°Feb 22:00 — altitude -6°Feb 23:00 — altitude -14°Feb: best around 20:00 localMarMar 00:00 — altitude -40°Mar 01:00 — altitude -49°Mar 02:00 — altitude -59°Mar 03:00 — altitude -66°Mar 04:00 — altitude -70°Mar 05:00 — altitude -68° (twilight)Mar 06:00 — altitude -61° (daytime)Mar 07:00 — altitude -52° (daytime)Mar 08:00 — altitude -43° (daytime)Mar 09:00 — altitude -33° (daytime)Mar 10:00 — altitude -24° (daytime)Mar 11:00 — altitude -15° (daytime)Mar 12:00 — altitude -7° (daytime)Mar 13:00 — altitude -0° (daytime)Mar 14:00 — altitude 5° (daytime)Mar 15:00 — altitude 9° (daytime)Mar 16:00 — altitude 10° (daytime)Mar 17:00 — altitude 9° (daytime)Mar 18:00 — altitude 6° (daytime)Mar 19:00 — altitude 1° (twilight)Mar 20:00 — altitude -5°Mar 21:00 — altitude -13°Mar 22:00 — altitude -22°Mar 23:00 — altitude -31°AprApr 00:00 — altitude -59°Apr 01:00 — altitude -66°Apr 02:00 — altitude -70°Apr 03:00 — altitude -68°Apr 04:00 — altitude -61° (twilight)Apr 05:00 — altitude -52° (daytime)Apr 06:00 — altitude -42° (daytime)Apr 07:00 — altitude -33° (daytime)Apr 08:00 — altitude -23° (daytime)Apr 09:00 — altitude -15° (daytime)Apr 10:00 — altitude -7° (daytime)Apr 11:00 — altitude 0° (daytime)Apr 12:00 — altitude 5° (daytime)Apr 13:00 — altitude 9° (daytime)Apr 14:00 — altitude 10° (daytime)Apr 15:00 — altitude 9° (daytime)Apr 16:00 — altitude 6° (daytime)Apr 17:00 — altitude 1° (daytime)Apr 18:00 — altitude -5° (daytime)Apr 19:00 — altitude -13° (daytime)Apr 20:00 — altitude -22° (twilight)Apr 21:00 — altitude -31°Apr 22:00 — altitude -41°Apr 23:00 — altitude -50°MayMay 00:00 — altitude -70°May 01:00 — altitude -68°May 02:00 — altitude -61° (twilight)May 03:00 — altitude -52° (twilight)May 04:00 — altitude -43° (daytime)May 05:00 — altitude -33° (daytime)May 06:00 — altitude -24° (daytime)May 07:00 — altitude -15° (daytime)May 08:00 — altitude -7° (daytime)May 09:00 — altitude -0° (daytime)May 10:00 — altitude 5° (daytime)May 11:00 — altitude 9° (daytime)May 12:00 — altitude 10° (daytime)May 13:00 — altitude 9° (daytime)May 14:00 — altitude 6° (daytime)May 15:00 — altitude 1° (daytime)May 16:00 — altitude -5° (daytime)May 17:00 — altitude -13° (daytime)May 18:00 — altitude -22° (daytime)May 19:00 — altitude -31° (daytime)May 20:00 — altitude -40° (daytime)May 21:00 — altitude -50° (twilight)May 22:00 — altitude -59° (twilight)May 23:00 — altitude -67°JunJun 00:00 — altitude -61° (twilight)Jun 01:00 — altitude -52° (twilight)Jun 02:00 — altitude -42° (twilight)Jun 03:00 — altitude -33° (twilight)Jun 04:00 — altitude -23° (daytime)Jun 05:00 — altitude -15° (daytime)Jun 06:00 — altitude -7° (daytime)Jun 07:00 — altitude 0° (daytime)Jun 08:00 — altitude 5° (daytime)Jun 09:00 — altitude 9° (daytime)Jun 10:00 — altitude 10° (daytime)Jun 11:00 — altitude 9° (daytime)Jun 12:00 — altitude 6° (daytime)Jun 13:00 — altitude 1° (daytime)Jun 14:00 — altitude -5° (daytime)Jun 15:00 — altitude -13° (daytime)Jun 16:00 — altitude -22° (daytime)Jun 17:00 — altitude -31° (daytime)Jun 18:00 — altitude -41° (daytime)Jun 19:00 — altitude -50° (daytime)Jun 20:00 — altitude -59° (daytime)Jun 21:00 — altitude -67° (twilight)Jun 22:00 — altitude -70° (twilight)Jun 23:00 — altitude -67° (twilight)JulJul 00:00 — altitude -43°Jul 01:00 — altitude -33° (twilight)Jul 02:00 — altitude -24° (twilight)Jul 03:00 — altitude -15° (twilight)Jul 04:00 — altitude -7° (daytime)Jul 05:00 — altitude -0° (daytime)Jul 06:00 — altitude 5° (daytime)Jul 07:00 — altitude 9° (daytime)Jul 08:00 — altitude 10° (daytime)Jul 09:00 — altitude 9° (daytime)Jul 10:00 — altitude 6° (daytime)Jul 11:00 — altitude 1° (daytime)Jul 12:00 — altitude -5° (daytime)Jul 13:00 — altitude -13° (daytime)Jul 14:00 — altitude -22° (daytime)Jul 15:00 — altitude -31° (daytime)Jul 16:00 — altitude -40° (daytime)Jul 17:00 — altitude -50° (daytime)Jul 18:00 — altitude -59° (daytime)Jul 19:00 — altitude -67° (daytime)Jul 20:00 — altitude -70° (daytime)Jul 21:00 — altitude -67° (twilight)Jul 22:00 — altitude -61° (twilight)Jul 23:00 — altitude -52° (twilight)AugAug 00:00 — altitude -23°Aug 01:00 — altitude -15°Aug 02:00 — altitude -7°Aug 03:00 — altitude 0° (twilight)Aug 04:00 — altitude 5° (twilight)Aug 05:00 — altitude 9° (daytime)Aug 06:00 — altitude 10° (daytime)Aug 07:00 — altitude 9° (daytime)Aug 08:00 — altitude 6° (daytime)Aug 09:00 — altitude 1° (daytime)Aug 10:00 — altitude -5° (daytime)Aug 11:00 — altitude -13° (daytime)Aug 12:00 — altitude -22° (daytime)Aug 13:00 — altitude -31° (daytime)Aug 14:00 — altitude -41° (daytime)Aug 15:00 — altitude -50° (daytime)Aug 16:00 — altitude -59° (daytime)Aug 17:00 — altitude -67° (daytime)Aug 18:00 — altitude -70° (daytime)Aug 19:00 — altitude -67° (daytime)Aug 20:00 — altitude -60° (twilight)Aug 21:00 — altitude -51° (twilight)Aug 22:00 — altitude -42°Aug 23:00 — altitude -32°SepSep 00:00 — altitude -7°Sep 01:00 — altitude 0°Sep 02:00 — altitude 5°Sep 03:00 — altitude 9°Sep 04:00 — altitude 10° (twilight)Sep 05:00 — altitude 9° (twilight)Sep 06:00 — altitude 6° (daytime)Sep 07:00 — altitude 1° (daytime)Sep 08:00 — altitude -6° (daytime)Sep 09:00 — altitude -13° (daytime)Sep 10:00 — altitude -22° (daytime)Sep 11:00 — altitude -31° (daytime)Sep 12:00 — altitude -41° (daytime)Sep 13:00 — altitude -51° (daytime)Sep 14:00 — altitude -60° (daytime)Sep 15:00 — altitude -67° (daytime)Sep 16:00 — altitude -70° (daytime)Sep 17:00 — altitude -67° (daytime)Sep 18:00 — altitude -60° (daytime)Sep 19:00 — altitude -51° (twilight)Sep 20:00 — altitude -42° (twilight)Sep 21:00 — altitude -32°Sep 22:00 — altitude -23°Sep 23:00 — altitude -14°Sep: best around 03:00 localOctOct 00:00 — altitude 5°Oct 01:00 — altitude 9°Oct 02:00 — altitude 10°Oct 03:00 — altitude 9°Oct 04:00 — altitude 6°Oct 05:00 — altitude 1° (twilight)Oct 06:00 — altitude -5° (daytime)Oct 07:00 — altitude -13° (daytime)Oct 08:00 — altitude -22° (daytime)Oct 09:00 — altitude -31° (daytime)Oct 10:00 — altitude -41° (daytime)Oct 11:00 — altitude -50° (daytime)Oct 12:00 — altitude -59° (daytime)Oct 13:00 — altitude -67° (daytime)Oct 14:00 — altitude -70° (daytime)Oct 15:00 — altitude -67° (daytime)Oct 16:00 — altitude -60° (daytime)Oct 17:00 — altitude -51° (daytime)Oct 18:00 — altitude -42° (twilight)Oct 19:00 — altitude -32°Oct 20:00 — altitude -23°Oct 21:00 — altitude -14°Oct 22:00 — altitude -6°Oct 23:00 — altitude 0°Oct: best around 02:00 localNovNov 00:00 — altitude 10°Nov 01:00 — altitude 9°Nov 02:00 — altitude 6°Nov 03:00 — altitude 1°Nov 04:00 — altitude -6°Nov 05:00 — altitude -13°Nov 06:00 — altitude -22° (twilight)Nov 07:00 — altitude -31° (daytime)Nov 08:00 — altitude -41° (daytime)Nov 09:00 — altitude -51° (daytime)Nov 10:00 — altitude -60° (daytime)Nov 11:00 — altitude -67° (daytime)Nov 12:00 — altitude -70° (daytime)Nov 13:00 — altitude -67° (daytime)Nov 14:00 — altitude -60° (daytime)Nov 15:00 — altitude -51° (daytime)Nov 16:00 — altitude -42° (daytime)Nov 17:00 — altitude -32° (twilight)Nov 18:00 — altitude -23° (twilight)Nov 19:00 — altitude -14°Nov 20:00 — altitude -6°Nov 21:00 — altitude 1°Nov 22:00 — altitude 6°Nov 23:00 — altitude 9°Nov: best around 00:00 localDecDec 00:00 — altitude 6°Dec 01:00 — altitude 1°Dec 02:00 — altitude -5°Dec 03:00 — altitude -13°Dec 04:00 — altitude -22°Dec 05:00 — altitude -31°Dec 06:00 — altitude -41° (twilight)Dec 07:00 — altitude -50° (twilight)Dec 08:00 — altitude -59° (daytime)Dec 09:00 — altitude -67° (daytime)Dec 10:00 — altitude -70° (daytime)Dec 11:00 — altitude -67° (daytime)Dec 12:00 — altitude -60° (daytime)Dec 13:00 — altitude -51° (daytime)Dec 14:00 — altitude -42° (daytime)Dec 15:00 — altitude -32° (daytime)Dec 16:00 — altitude -23° (daytime)Dec 17:00 — altitude -14° (twilight)Dec 18:00 — altitude -6°Dec 19:00 — altitude 0°Dec 20:00 — altitude 6°Dec 21:00 — altitude 9°Dec 22:00 — altitude 10°Dec 23:00 — altitude 9°Dec: best around 22:00 local
below horizon astronomical dark — low to high altitude twilight daytime (sun up) best night-time hour

Right now

Daytime
Below horizon (-42°)

Upcoming (local)

Rise 10:02
Transit 13:06 10°
Set 16:12

Across the year

Best month January
Peak altitude 10°
Circumpolar here no
Dark-sky hours / year 913

Neighboring Constellations

Orion Cetus Fornax Lepus

見どころの天体 in Eridanus

7
32 Eri

HIP 18255; 32 Eri

4.79 mag 6.9″ B: 5.9 G8III Easy
Theta Eri

HIP 13847; Theta2 Eri

4.35 mag 8.3″ B: 4.1 A5 III Easy
Acamar

HIP 13847; Theta1 Eri

3.24 mag 8.2″ B: 4.1 A4III Easy
55 Eri

HIP 21986; 55 Eri

6.70 mag 9.3″ B: 6.8 G8III Easy
HIP 17797
4.73 mag 8.2″ B: 5.2 B9V Easy
HIP 7751
5.87 mag 11.4″ B: 5.9 K0V Easy
66 Eri

HIP 23794; 66 Eri

5.12 mag B9V+A1V Medium

主な恒星 in Eridanus

20
Achernar

HIP 7588; Alpha Eri

0.46 mag 0.3″ B: 2.1 B6Vep Easy
Cursa

HIP 23875; Beta Eri; 67 Eri

2.79 mag 118.3″ B: 10.9 A3IV Hard
Zaurak

HIP 18543; Gamma Eri; 34 Eri

2.95 mag M1IIIb Easy
Acamar

HIP 13847; Theta1 Eri

3.24 mag 8.2″ B: 4.1 A4III Easy
Rana

HIP 17378; Delta Eri; 23 Eri

3.54 mag K1III-IV Easy
Phi Eri

HIP 10602; Phi Eri

3.56 mag 89.1″ B: 9.3 B6V Medium
Upsilon Eri

HIP 20042; Upsilon4 Eri; 41 Eri

3.56 mag B6V Easy
Tau Eri

HIP 15474; Tau4 Eri; 16 Eri

3.69 mag 5.8″ B: 9.5 M3III-IIIa Ca-1 Very Hard
Chi Eri

HIP 9007; Chi Eri

3.70 mag 2.6″ B: 10.7 G8IV Very Hard
Ran

HIP 16537; Epsilon Eri; 18 Eri

3.73 mag K2V (k) Easy
Theemin

HIP 21393; Upsilon2 Eri; 52 Eri

3.82 mag G8+ III Easy
Sceptrum

HIP 21594; 53 Eri

3.87 mag 0.9″ B: 7.0 K1III Very Hard
Azha

HIP 13701; Eta Eri; 3 Eri

3.89 mag K0 III Easy
Nu Eri

HIP 21444; Nu Eri; 48 Eri

3.93 mag B2IV Easy
Beemim

HIP 20535; 43 Eri

3.96 mag K3.5III Easy
Mu Eri

HIP 22109; Mu Eri; 57 Eri

4.02 mag B5IV Easy
Beid

HIP 19587; 38 Eri

4.04 mag F2II-III Easy
Tau Eri

HIP 14146; Tau3 Eri; 11 Eri

4.09 mag A4IV Easy
Iota Eri

HIP 12486; Iota Eri

4.11 mag K0III Easy
HIP 17874
4.17 mag G9II-III Easy

二重星 in Eridanus

15
32 Eri

HIP 18255; 32 Eri

4.79 mag 6.9″ B: 5.9 G8III Easy
Theta Eri

HIP 13847; Theta2 Eri

4.35 mag 8.3″ B: 4.1 A5 III Easy
Acamar

HIP 13847; Theta1 Eri

3.24 mag 8.2″ B: 4.1 A4III Easy
55 Eri

HIP 21986; 55 Eri

6.70 mag 9.3″ B: 6.8 G8III Easy
HIP 17797
4.73 mag 8.2″ B: 5.2 B9V Easy
HIP 7751
5.87 mag 11.4″ B: 5.9 K0V Easy
Tau Eri

HIP 15474; Tau4 Eri; 16 Eri

3.69 mag 5.8″ B: 9.5 M3III-IIIa Ca-1 Very Hard
39 Eri

HIP 19777; 39 Eri

4.87 mag 6.7″ B: 8.5 K3III Medium
HIP 15411
5.71 mag 8.0″ B: 8.2 F0IV Easy
30 Eri

HIP 18141; 30 Eri

5.48 mag 8.3″ B: 10.3 B8V Hard
HIP 21377
6.37 mag 12.8″ B: 7.6 A1m Easy
HIP 23916
5.78 mag 21.3″ B: 9.0 B8V Medium
HIP 7673
6.84 mag 10.2″ B: 8.5 F5IV-V Easy
HIP 17436
6.45 mag 5.0″ B: 9.3 K1III Medium
HIP 20138
6.37 mag 5.2″ B: 8.7 A3V Easy

変光星 in Eridanus

2
66 Eri

HIP 23794; 66 Eri

5.12 mag B9V+A1V Medium
Z Eri

HIP 13064

6.90 mag 6.17 - 7.18 SRB M4III Medium

深宇宙天体 in Eridanus

30
銀河 (29)
NGC 1291 survey image
NGC 1291
8.5 mag 10.5 SB0 Easy
NGC 1232 survey image
NGC 1232
9.9 mag 7.8 SABc Very Hard
NGC 1337 survey image
NGC 1337
11.7 mag 6.8 SBc Hard
NGC 1532 survey image
NGC 1532
11.0 mag 5.6 SBb Hard
NGC 1353 survey image
NGC 1353
11.4 mag 3.4 Sb Hard
NGC 1084 survey image
NGC 1084
10.6 mag 2.9 Sc Hard
NGC 1247 survey image
NGC 1247
13.0 mag 3.6 Sbc Very Hard
NGC 1507 survey image
NGC 1507
12.2 mag 3.4 SBd Very Hard
NGC 1622 survey image
NGC 1622
12.3 mag 3.9 SABa Very Hard
NGC 1140 survey image
NGC 1140
12.5 mag 1.4 SBm Very Hard
NGC 1332 survey image
NGC 1332
10.3 mag 4.6 S0 Medium
NGC 1422 survey image
NGC 1422
13.0 mag 2.1 SBab Very Hard
NGC 1417 survey image
NGC 1417
12.0 mag 2.8 SABb Very Hard
NGC 1441 survey image
NGC 1441
12.9 mag 1.5 SBb Very Hard
NGC 1614 survey image
NGC 1614
12.9 mag 1.3 SBc Very Hard
NGC 1654 survey image
NGC 1654
14.0 mag 1.0 SBa Very Hard
NGC 1461 survey image
NGC 1461
11.7 mag 3.3 S0 Hard
NGC 1720 survey image
NGC 1720
13.0 mag 1.8 SBab Very Hard
NGC 1081 survey image
NGC 1081
13.0 mag SBb Very Hard
NGC 1102 survey image
NGC 1102
14.0 mag SABa Very Hard
NGC 1103 survey image
NGC 1103
13.0 mag SBb Very Hard
NGC 1296 survey image
NGC 1296
14.0 mag SBab Very Hard
NGC 1299 survey image
NGC 1299
14.0 mag SBb Very Hard
NGC 1338 survey image
NGC 1338
13.0 mag SABb Very Hard
NGC 1386 survey image
NGC 1386
12.0 mag 3.5 S0-a Hard
NGC 1575 survey image
NGC 1575
13.0 mag SABb Very Hard
NGC 1591 survey image
NGC 1591
13.0 mag SBab Very Hard
NGC 1407 survey image
NGC 1407
9.8 mag 2.5 E0 Very Hard
NGC 1209 survey image
NGC 1209
11.4 mag 2.6 E Hard
惑星状星雲 (1)
NGC 1535 survey image
NGC 1535
10.0 mag 0.7 Very Hard