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Leo

Genitive: Leonis

Northern Spring 947 sq° Leo

Brightest star: Regulus (mag 1.36)

RA 10h 39m 60.0s · Dec +15d 00' 0"

Sickle and triangle

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Leo - Mythology

Mythology

The Nemean Lion, slain by Heracles as his first labor. The lion's hide was impervious to weapons, so Heracles strangled it and wore its skin as armor.

Observing Highlights

A prominent zodiacal constellation with the bright star Regulus. Rich in galaxies including M65, M66, M95, M96, and M105 — the Leo Triplet and Leo I Group. Best seen in spring.

When is Leo 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 39°Jan 01:00 — altitude 47°Jan 02:00 — altitude 53°Jan 03:00 — altitude 55°Jan 04:00 — altitude 53°Jan 05:00 — altitude 48°Jan 06:00 — altitude 40° (twilight)Jan 07:00 — altitude 31° (twilight)Jan 08:00 — altitude 21° (daytime)Jan 09:00 — altitude 12° (daytime)Jan 10:00 — altitude 2° (daytime)Jan 11:00 — altitude -6° (daytime)Jan 12:00 — altitude -14° (daytime)Jan 13:00 — altitude -20° (daytime)Jan 14:00 — altitude -24° (daytime)Jan 15:00 — altitude -25° (daytime)Jan 16:00 — altitude -24° (daytime)Jan 17:00 — altitude -20° (daytime)Jan 18:00 — altitude -14° (twilight)Jan 19:00 — altitude -6°Jan 20:00 — altitude 2°Jan 21:00 — altitude 12°Jan 22:00 — altitude 21°Jan 23:00 — altitude 31°Jan: best around 03:00 localFebFeb 00:00 — altitude 53°Feb 01:00 — altitude 55°Feb 02:00 — altitude 53°Feb 03:00 — altitude 47°Feb 04:00 — altitude 39°Feb 05:00 — altitude 30°Feb 06:00 — altitude 21° (twilight)Feb 07:00 — altitude 11° (daytime)Feb 08:00 — altitude 2° (daytime)Feb 09:00 — altitude -7° (daytime)Feb 10:00 — altitude -14° (daytime)Feb 11:00 — altitude -20° (daytime)Feb 12:00 — altitude -24° (daytime)Feb 13:00 — altitude -25° (daytime)Feb 14:00 — altitude -24° (daytime)Feb 15:00 — altitude -20° (daytime)Feb 16:00 — altitude -14° (daytime)Feb 17:00 — altitude -6° (daytime)Feb 18:00 — altitude 3° (twilight)Feb 19:00 — altitude 12° (twilight)Feb 20:00 — altitude 22°Feb 21:00 — altitude 31°Feb 22:00 — altitude 40°Feb 23:00 — altitude 48°Feb: best around 01:00 localMarMar 00:00 — altitude 54°Mar 01:00 — altitude 48°Mar 02:00 — altitude 41°Mar 03:00 — altitude 32°Mar 04:00 — altitude 22°Mar 05:00 — altitude 13° (twilight)Mar 06:00 — altitude 3° (daytime)Mar 07:00 — altitude -5° (daytime)Mar 08:00 — altitude -13° (daytime)Mar 09:00 — altitude -19° (daytime)Mar 10:00 — altitude -23° (daytime)Mar 11:00 — altitude -25° (daytime)Mar 12:00 — altitude -24° (daytime)Mar 13:00 — altitude -20° (daytime)Mar 14:00 — altitude -15° (daytime)Mar 15:00 — altitude -7° (daytime)Mar 16:00 — altitude 1° (daytime)Mar 17:00 — altitude 10° (daytime)Mar 18:00 — altitude 20° (daytime)Mar 19:00 — altitude 30° (twilight)Mar 20:00 — altitude 39°Mar 21:00 — altitude 47°Mar 22:00 — altitude 53°Mar 23:00 — altitude 55°Mar: best around 23:00 localAprApr 00:00 — altitude 41°Apr 01:00 — altitude 32°Apr 02:00 — altitude 22°Apr 03:00 — altitude 13°Apr 04:00 — altitude 3° (twilight)Apr 05:00 — altitude -6° (daytime)Apr 06:00 — altitude -13° (daytime)Apr 07:00 — altitude -19° (daytime)Apr 08:00 — altitude -23° (daytime)Apr 09:00 — altitude -25° (daytime)Apr 10:00 — altitude -24° (daytime)Apr 11:00 — altitude -20° (daytime)Apr 12:00 — altitude -15° (daytime)Apr 13:00 — altitude -7° (daytime)Apr 14:00 — altitude 1° (daytime)Apr 15:00 — altitude 11° (daytime)Apr 16:00 — altitude 20° (daytime)Apr 17:00 — altitude 30° (daytime)Apr 18:00 — altitude 39° (daytime)Apr 19:00 — altitude 47° (daytime)Apr 20:00 — altitude 53° (twilight)Apr 21:00 — altitude 55°Apr 22:00 — altitude 53°Apr 23:00 — altitude 48°Apr: best around 21:00 localMayMay 00:00 — altitude 22°May 01:00 — altitude 13°May 02:00 — altitude 3° (twilight)May 03:00 — altitude -5° (twilight)May 04:00 — altitude -13° (daytime)May 05:00 — altitude -19° (daytime)May 06:00 — altitude -23° (daytime)May 07:00 — altitude -25° (daytime)May 08:00 — altitude -24° (daytime)May 09:00 — altitude -20° (daytime)May 10:00 — altitude -15° (daytime)May 11:00 — altitude -7° (daytime)May 12:00 — altitude 1° (daytime)May 13:00 — altitude 10° (daytime)May 14:00 — altitude 20° (daytime)May 15:00 — altitude 30° (daytime)May 16:00 — altitude 39° (daytime)May 17:00 — altitude 47° (daytime)May 18:00 — altitude 53° (daytime)May 19:00 — altitude 55° (daytime)May 20:00 — altitude 53° (daytime)May 21:00 — altitude 48° (twilight)May 22:00 — altitude 40° (twilight)May 23:00 — altitude 31°May: best around 23:00 localJunJun 00:00 — altitude 3° (twilight)Jun 01:00 — altitude -6° (twilight)Jun 02:00 — altitude -13° (twilight)Jun 03:00 — altitude -19° (twilight)Jun 04:00 — altitude -23° (daytime)Jun 05:00 — altitude -25° (daytime)Jun 06:00 — altitude -24° (daytime)Jun 07:00 — altitude -20° (daytime)Jun 08:00 — altitude -15° (daytime)Jun 09:00 — altitude -7° (daytime)Jun 10:00 — altitude 1° (daytime)Jun 11:00 — altitude 11° (daytime)Jun 12:00 — altitude 20° (daytime)Jun 13:00 — altitude 30° (daytime)Jun 14:00 — altitude 39° (daytime)Jun 15:00 — altitude 47° (daytime)Jun 16:00 — altitude 53° (daytime)Jun 17:00 — altitude 55° (daytime)Jun 18:00 — altitude 53° (daytime)Jun 19:00 — altitude 48° (daytime)Jun 20:00 — altitude 40° (daytime)Jun 21:00 — altitude 31° (twilight)Jun 22:00 — altitude 22° (twilight)Jun 23:00 — altitude 12° (twilight)JulJul 00:00 — altitude -13°Jul 01:00 — altitude -19° (twilight)Jul 02:00 — altitude -23° (twilight)Jul 03:00 — altitude -25° (twilight)Jul 04:00 — altitude -24° (daytime)Jul 05:00 — altitude -20° (daytime)Jul 06:00 — altitude -15° (daytime)Jul 07:00 — altitude -7° (daytime)Jul 08:00 — altitude 1° (daytime)Jul 09:00 — altitude 10° (daytime)Jul 10:00 — altitude 20° (daytime)Jul 11:00 — altitude 30° (daytime)Jul 12:00 — altitude 39° (daytime)Jul 13:00 — altitude 47° (daytime)Jul 14:00 — altitude 53° (daytime)Jul 15:00 — altitude 55° (daytime)Jul 16:00 — altitude 53° (daytime)Jul 17:00 — altitude 48° (daytime)Jul 18:00 — altitude 40° (daytime)Jul 19:00 — altitude 31° (daytime)Jul 20:00 — altitude 22° (daytime)Jul 21:00 — altitude 12° (twilight)Jul 22:00 — altitude 3° (twilight)Jul 23:00 — altitude -6° (twilight)AugAug 00:00 — altitude -23°Aug 01:00 — altitude -25°Aug 02:00 — altitude -24°Aug 03:00 — altitude -20° (twilight)Aug 04:00 — altitude -15° (twilight)Aug 05:00 — altitude -7° (daytime)Aug 06:00 — altitude 1° (daytime)Aug 07:00 — altitude 11° (daytime)Aug 08:00 — altitude 20° (daytime)Aug 09:00 — altitude 30° (daytime)Aug 10:00 — altitude 39° (daytime)Aug 11:00 — altitude 47° (daytime)Aug 12:00 — altitude 53° (daytime)Aug 13:00 — altitude 55° (daytime)Aug 14:00 — altitude 53° (daytime)Aug 15:00 — altitude 48° (daytime)Aug 16:00 — altitude 40° (daytime)Aug 17:00 — altitude 31° (daytime)Aug 18:00 — altitude 22° (daytime)Aug 19:00 — altitude 12° (daytime)Aug 20:00 — altitude 3° (twilight)Aug 21:00 — altitude -6° (twilight)Aug 22:00 — altitude -14°Aug 23:00 — altitude -20°SepSep 00:00 — altitude -24°Sep 01:00 — altitude -20°Sep 02:00 — altitude -14°Sep 03:00 — altitude -7°Sep 04:00 — altitude 2° (twilight)Sep 05:00 — altitude 11° (twilight)Sep 06:00 — altitude 21° (daytime)Sep 07:00 — altitude 30° (daytime)Sep 08:00 — altitude 39° (daytime)Sep 09:00 — altitude 47° (daytime)Sep 10:00 — altitude 53° (daytime)Sep 11:00 — altitude 55° (daytime)Sep 12:00 — altitude 53° (daytime)Sep 13:00 — altitude 48° (daytime)Sep 14:00 — altitude 40° (daytime)Sep 15:00 — altitude 31° (daytime)Sep 16:00 — altitude 21° (daytime)Sep 17:00 — altitude 12° (daytime)Sep 18:00 — altitude 2° (daytime)Sep 19:00 — altitude -6° (twilight)Sep 20:00 — altitude -14° (twilight)Sep 21:00 — altitude -20°Sep 22:00 — altitude -24°Sep 23:00 — altitude -25°OctOct 00:00 — altitude -15°Oct 01:00 — altitude -7°Oct 02:00 — altitude 1°Oct 03:00 — altitude 11°Oct 04:00 — altitude 20°Oct 05:00 — altitude 30° (twilight)Oct 06:00 — altitude 39° (daytime)Oct 07:00 — altitude 47° (daytime)Oct 08:00 — altitude 53° (daytime)Oct 09:00 — altitude 55° (daytime)Oct 10:00 — altitude 53° (daytime)Oct 11:00 — altitude 48° (daytime)Oct 12:00 — altitude 40° (daytime)Oct 13:00 — altitude 31° (daytime)Oct 14:00 — altitude 22° (daytime)Oct 15:00 — altitude 12° (daytime)Oct 16:00 — altitude 3° (daytime)Oct 17:00 — altitude -6° (daytime)Oct 18:00 — altitude -14° (twilight)Oct 19:00 — altitude -20°Oct 20:00 — altitude -24°Oct 21:00 — altitude -25°Oct 22:00 — altitude -24°Oct 23:00 — altitude -20°Oct: best around 04:00 localNovNov 00:00 — altitude 2°Nov 01:00 — altitude 11°Nov 02:00 — altitude 21°Nov 03:00 — altitude 30°Nov 04:00 — altitude 39°Nov 05:00 — altitude 47°Nov 06:00 — altitude 53° (twilight)Nov 07:00 — altitude 55° (daytime)Nov 08:00 — altitude 53° (daytime)Nov 09:00 — altitude 48° (daytime)Nov 10:00 — altitude 40° (daytime)Nov 11:00 — altitude 31° (daytime)Nov 12:00 — altitude 21° (daytime)Nov 13:00 — altitude 12° (daytime)Nov 14:00 — altitude 2° (daytime)Nov 15:00 — altitude -6° (daytime)Nov 16:00 — altitude -14° (daytime)Nov 17:00 — altitude -20° (twilight)Nov 18:00 — altitude -24° (twilight)Nov 19:00 — altitude -25°Nov 20:00 — altitude -24°Nov 21:00 — altitude -20°Nov 22:00 — altitude -14°Nov 23:00 — altitude -6°Nov: best around 05:00 localDecDec 00:00 — altitude 20°Dec 01:00 — altitude 30°Dec 02:00 — altitude 39°Dec 03:00 — altitude 47°Dec 04:00 — altitude 53°Dec 05:00 — altitude 55°Dec 06:00 — altitude 53° (twilight)Dec 07:00 — altitude 48° (twilight)Dec 08:00 — altitude 40° (daytime)Dec 09:00 — altitude 31° (daytime)Dec 10:00 — altitude 22° (daytime)Dec 11:00 — altitude 12° (daytime)Dec 12:00 — altitude 3° (daytime)Dec 13:00 — altitude -6° (daytime)Dec 14:00 — altitude -14° (daytime)Dec 15:00 — altitude -20° (daytime)Dec 16:00 — altitude -24° (daytime)Dec 17:00 — altitude -25° (twilight)Dec 18:00 — altitude -24°Dec 19:00 — altitude -20°Dec 20:00 — altitude -14°Dec 21:00 — altitude -7°Dec 22:00 — altitude 2°Dec 23:00 — altitude 11°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
Below horizon (-13°)

Upcoming (local)

Rise 12:53
Transit 20:05 55°
Set 03:23

Across the year

Best month February
Peak altitude 55°
Circumpolar here no
Dark-sky hours / year 1704

Neighboring Constellations

Cancer Virgo Hydra Leo Minor

Showpieces in Leo

7
Messier 66 survey image
Messier 66

NGC 3627

8.9 mag 8.7 SABb Easy
Algieba

HIP 50583; Gamma1 Leo; 41 Leo

2.61 mag 4.8″ B: 3.6 K1-IIIbFe-0.5 Easy
Messier 65 survey image
Messier 65

NGC 3623

9.3 mag 10.0 SABa Medium
NGC 2903 survey image
NGC 2903
8.9 mag 12.6 SBbc Easy
NGC 3521 survey image
NGC 3521
8.9 mag 9.5 SABbc Easy
Messier 95 survey image
Messier 95

NGC 3351

9.7 mag 7.4 SBb Medium
Messier 96 survey image
Messier 96

NGC 3368

9.2 mag 7.1 SABab Medium

Main Stars in Leo

20
Regulus

HIP 49669; Alpha Leo; 32 Leo

1.35 mag 175.9″ B: 8.2 B8IVn Easy
Denebola

HIP 57632; Beta Leo; 94 Leo

2.14 mag 235.8″ B: 8.5 A3V Easy
Zosma

HIP 54872; Delta Leo; 68 Leo

2.56 mag 207.8″ B: 10.9 A5IV(n) Hard
Algieba

HIP 50583; Gamma1 Leo; 41 Leo

2.61 mag 4.8″ B: 3.6 K1-IIIbFe-0.5 Easy
Ras Elased Australis

HIP 47908; Epsilon Leo; 17 Leo

2.98 mag G1II Easy
Chort

HIP 54879; Theta Leo; 70 Leo

3.34 mag A2IV Easy
Adhafera

HIP 50335; Zeta Leo; 36 Leo

3.44 mag 335.4″ B: 6.0 F0IIIa Easy
Subra

HIP 47508; 14 Leo

3.52 mag 97.8″ B: 10.8 A5. V COMP Hard
Eta Leo

HIP 49583; Eta Leo; 30 Leo

3.52 mag 0.4″ B: 8.4 A0Ib Very Hard
Gamma Leo

HIP 50583; Gamma2 Leo; 41 Leo

3.80 mag 4.8″ B: 9.6 K1- III Fe-1 Very Hard
Rho Leo

HIP 51624; Rho Leo; 47 Leo

3.85 mag B1.5Ib Easy
Rasalas

HIP 48455; Mu Leo; 24 Leo

3.88 mag K2IIIb CN1 Ca1 Easy
Iota Leo

HIP 55642; Iota Leo; 78 Leo

3.94 mag 2.4″ B: 6.7 F3V Hard
Sigma Leo

HIP 55434; Sigma Leo; 77 Leo

4.05 mag B9.5V s Easy
Upsilon Leo

HIP 56647; Upsilon Leo; 91 Leo

4.30 mag G8.5IIICN-0.5 Easy
Alterf

HIP 46750; Lambda Leo; 4 Leo

4.31 mag K5III Easy
31 Leo

HIP 49637; 31 Leo

4.37 mag K3.5IIIbFe-1 Easy
60 Leo

HIP 53954; 60 Leo

4.42 mag A1m Easy
Kappa Leo

HIP 46146; Kappa Leo; 1 Leo

4.46 mag 2.1″ B: 9.7 K2III Very Hard
Phi Leo

HIP 55084; Phi Leo; 74 Leo

4.47 mag 86.8″ B: 9.8 A7IVn Medium

Double Stars in Leo

15
Algieba

HIP 50583; Gamma1 Leo; 41 Leo

2.61 mag 4.8″ B: 3.6 K1-IIIbFe-0.5 Easy
54 Leo

HIP 53417; 54 Leo

4.50 mag 6.9″ B: 6.3 A1V Easy
90 Leo

HIP 56473; 90 Leo

5.95 mag 3.1″ B: 7.3 B4V Medium
83 Leo

HIP 55846; 83 Leo

6.50 mag 28.6″ B: 7.5 K0IV Easy
Tau Leo

HIP 55945; Tau Leo; 84 Leo

4.95 mag 89.2″ B: 7.5 G7.5IIIa Easy
Iota Leo

HIP 55642; Iota Leo; 78 Leo

3.94 mag 2.4″ B: 6.7 F3V Hard
6 Leo

HIP 46774; 6 Leo

5.07 mag 37.1″ B: 9.3 K2.5IIIbFe-0.5 Medium
44 Leo

HIP 51008; 44 Leo

5.61 mag 3.6″ B: 9.1 M3IIIabs Hard
49 Leo

HIP 51802; 49 Leo

5.67 mag 2.1″ B: 7.9 A2V Hard
HIP 53240
6.12 mag 35.2″ B: 8.7 K0III+G0V Easy
7 Leo

HIP 47096; 7 Leo

6.36 mag 41.0″ B: 9.4 A1V Medium
39 Leo

HIP 50384; 39 Leo

5.82 mag 7.8″ B: 11.3 F8Vb w Hard
88 Leo

HIP 56242; 88 Leo

6.20 mag 15.4″ B: 9.1 G0V Medium
Kappa Leo

HIP 46146; Kappa Leo; 1 Leo

4.46 mag 2.1″ B: 9.7 K2III Very Hard
Gamma Leo

HIP 50583; Gamma2 Leo; 41 Leo

3.80 mag 4.8″ B: 9.6 K1- III Fe-1 Very Hard

Variable Stars in Leo

2
R Leo

HIP 48036

6.02 mag 4.40 - 11.00 M M8IIIe Hard
56 Leo

HIP 53449; 56 Leo

5.81 mag 5.69 - 6.03 SR M5.5III Hard

Deep Sky Objects in Leo

30
Galaxy (30)
Messier 66 survey image
Messier 66

NGC 3627

8.9 mag 8.7 SABb Easy
Messier 65 survey image
Messier 65

NGC 3623

9.3 mag 10.0 SABa Medium
NGC 2903 survey image
NGC 2903
8.9 mag 12.6 SBbc Easy
NGC 3521 survey image
NGC 3521
8.9 mag 9.5 SABbc Easy
Hamburger Galaxy survey image
Hamburger Galaxy

NGC 3628

9.5 mag 14.8 SAb pec Hard
Messier 95 survey image
Messier 95

NGC 3351

9.7 mag 7.4 SBb Medium
Messier 96 survey image
Messier 96

NGC 3368

9.2 mag 7.1 SABab Medium
NGC 3338 survey image
NGC 3338
10.8 mag 5.5 Sc Hard
NGC 3705 survey image
NGC 3705
11.0 mag 5.0 SABa Hard
NGC 3810 survey image
NGC 3810
10.8 mag 4.3 Sc Hard
NGC 2964 survey image
NGC 2964
11.3 mag 3.0 Sbc Hard
NGC 3507 survey image
NGC 3507
11.0 mag 3.5 SBb Hard
NGC 3067 survey image
NGC 3067
11.7 mag 2.5 SABa Hard
NGC 3384 survey image
NGC 3384
10.0 mag 5.9 SB0 Medium
Caldwell 40 survey image
Caldwell 40

NGC 3626

10.9 mag 3 S0-a Hard
NGC 2905 survey image
NGC 2905
10.0 mag 13.3 Hard
NGC 3593 survey image
NGC 3593
11.0 mag 5.8 S0-a Hard
Messier 105 survey image
Messier 105

NGC 3379

9.3 mag 4.5 E1 Medium
NGC 3239 survey image
NGC 3239
12.0 mag 5.2 IB Very Hard
NGC 2914 survey image
NGC 2914
13.1 mag 1.2 SBab Very Hard
NGC 2919 survey image
NGC 2919
14.0 mag 1.9 SABb Very Hard
NGC 3377 survey image
NGC 3377
10.2 mag 4.4 E Very Hard
NGC 3412 survey image
NGC 3412
10.6 mag 3.6 S0 Medium
NGC 3489 survey image
NGC 3489
10.3 mag 3.7 S0-a Medium
NGC 3607 survey image
NGC 3607
10.0 mag 3.7 S0 Medium
NGC 3800 survey image
NGC 3800
13.0 mag 2.1 SABb Very Hard
NGC 3997 survey image
NGC 3997
14.0 mag 1.8 SBb Very Hard
NGC 3107 survey image
NGC 3107
13.0 mag SABb Very Hard
NGC 3601 survey image
NGC 3601
14.0 mag SBab Very Hard
NGC 3301 survey image
NGC 3301
11.4 mag 3.6 S0-a Hard