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Horologium Constellation | Constellations In The Southern Hemisphere

HOROLOGIUM CONSTELLATION – In this topic, we are going to know and learn about the southern constellation Horologium, the Clock.

Image from: Star Registration

It is the constellation in the southern sky. It means “the clock” in Latin. 

It was one of the constellations that was made by French astronomer Nicolas Louis de Lacaille in the 18th century to honor its inventor Christiaan Huygens. It represents the pendulum clock Lacaille used to time his observations.

The constellation’s former name was Horologium Oscillitorium, or “the pendulum clock”, which was later shortened to its current name.

Horologium is home to the the Horologium Supercluster, a massive supercluster which contains about 5,000 galaxy groups; as well as the globular cluster NGC 1261, the barred spiral galaxy NGC 1512, Arp-Madore, the lenticular galaxy NGC 1510, Miltron’s Galaxy, and NGC 1483, among others.

It is the 58th largest constellation in the night sky and occupies an area of about 249 square degrees. It lies in SQ1, the first quadrant of the southern hemisphere.

Horologium belongs to the Lacaille family, along with Antlia, Caelum, Circinus, Fornax, Mensa, Microscopium, Norma, Octans, Pictor, Reticulum, Sculptor, and Telescopium.


Among the stars include:

  • Alpha Horologii
  • R Horologii
  • Beta Horologii
  • Delta Horologii
  • Iota Horologii
  • GJ 1061

READ ALSO: Fornax Constellation | Constellations In The Southern Hemisphere

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