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Horologium Constellation
Constellation Horologium

Horologium, the Clock (Hor)

The constellation of Horologium, the Clock, is best viewed in the Winter season during the month of December for mid-northern latitudes. It's brightest star is Alpha Horologii at magnitude 3.85. The boundary of the Horologium constellation contains 3 stars that host known exoplanets.

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

      1. Meaning:
      2. Clock
      1. Genitive:
      2. Horlogii
      1. Abbreviation:
      2. Hor
      1. Constellation Family:
      2. LaCaille
      1. Best Viewing Month*:
      2. December
      1. Circumpolar** (N=northern, S=southern):
      2. S
      1. Right Ascension (avg):
      2. 3h 13m
      1. Declination (avg):
      2. -52° 0'
      1. Brightest Star:
      2. Alpha Horologii (3.85m)
      1. Exoplanet Host Stars:
      2. 3
      1. Caldwell objects:
      2. C87,

    * 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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