Leo, the Lion (Leo)

The constellation of Leo, the Lion, is best viewed in the Spring season during the month of April for mid-northern latitudes. It's brightest star is Regulus at magnitude 1.35. The boundary of the Leo constellation contains 19 stars that host known exoplanets.

The naked eye can generally see up to magnitude 6 (magnitude 8 with perfect eyes) under ideal dark-sky conditions.

1. Meaning:
2. Lion

1. Genitive:
2. Leonis

1. Abbreviation:
2. Leo

1. Constellation Family:
2. Zodiacal

1. Best Viewing Month*:
2. April

1. Right Ascension (avg):
2. 10h 0m

1. Declination (avg):
2. 7° 0'

1. Meteor Showers:
2. Leonids

1. Brightest Star:
2. Regulus (1.35m)

1. Exoplanet Host Stars:
2. 19

1. Messier objects:
2. M105, M65, M66, M95, M96,

1. Caldwell objects:
2. C40,

1. Herschel objects:
2. NGC 2903, NGC 2964, NGC 3190, NGC 3193, NGC 3226, NGC 3227, NGC 3377, NGC 3379, NGC 3384, NGC 3412, NGC 3489, NGC 3521, NGC 3593, NGC 3607, NGC 3608, NGC 3626, NGC 3628, NGC 3640, NGC 3655, NGC 3686, NGC 3810, NGC 3900, NGC 3912,

1. Other:
2. Carbon star

* For southern latitudes, flip the season listed. For example, if a constellation is listed as best viewed in the summer in the month of July, in the southern hemisphere the constellation would be best viewed in the winter in January and would be upside-down.

** Circumpolar constellations are visible year-round in the hemisphere listed.

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