The Leo constellation

Leo · Catalogue stars: 32

The constellation Leo: 32 catalogue stars and 5 Messier objects. Brightest stars, visibility by latitude and the best month to observe.

Data

IAU code: Leo
Catalogue stars: 32
Messier objects: 5
Brightest star: Regulus · 1.4ᵐ

Stars and objects of the constellation

Stars and objects of the constellation (HIP)

HIP 49583 · 3.5ᵐ · A0Ib
HIP 51624 · 3.8ᵐ · B1Ib SB
HIP 55642 · 4.0ᵐ · F2IV SB
HIP 55434 · 4.0ᵐ · B9.5Vs
HIP 53417 · 4.3ᵐ · A1
HIP 56647 · 4.3ᵐ · G9III
HIP 49637 · 4.4ᵐ · K4III
HIP 53954 · 4.4ᵐ · A1m
HIP 55084 · 4.5ᵐ · A7IVn
HIP 46146 · 4.5ᵐ · K2III
HIP 57565 · 4.5ᵐ · A comp SB
HIP 54951 · 4.6ᵐ · M3III
HIP 54182 · 4.6ᵐ · F2III-IVvar
HIP 49029 · 4.7ᵐ · M2III
HIP 53907 · 4.7ᵐ · K5III
HIP 56127 · 4.8ᵐ · K4III
HIP 50564 · 4.8ᵐ · F6IV
HIP 53807 · 4.8ᵐ · K1III
HIP 55945 · 5.0ᵐ · G8II-III
HIP 53824 · 5.0ᵐ · A5III

Altitude above the horizon by latitude

Latitude	Maximum altitude	Rise azimuth
+60°	41°	67°
+55°	46°	70°
+45°	56°	74°
+30°	71°	77°
0°	79°	79°
−35°	44°	76°

Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.

Culmination time by month

Month	Culmination
January	02:55
February	00:47
March	23:02
April	21:09
May	19:14
June	17:08
July	15:04
August	13:03
September	11:10
October	09:21
November	07:21
December	05:12

Upper culmination in local solar time — no time-zone or daylight-saving correction applied.

Neighbouring constellations

In brief

Which is the brightest star in Leo?

Regulus — 1.4ᵐ.