Free Constellations Clipart

Abbreviation:  Hor
English Name:  The Pendulum Clock
Genitive: Alpha Horologii
Hemisphere:  Southern Hemisphere
Location: Between the constellations of Reticulum and Phoenix.
Visible between latitudes:  
+20 and -90 degrees
Best season: Winter
Seen in three seasons: Autumn, Winter and Spring
Best seen in:  December
Seen between: Late October to Late February
Right Ascension (RA):  03 hour
Declination (DEC):  -60 degrees
Area (square degrees):  249 (58th)

Horlogium (The Pendulum Clock)

  • Horlogium is not home to many deep-sky objects; there are several globular stars in this constellation – NGC 1261 is the brighter of magnitude +8.0.

Messier Objects

  • No Messier objects in Horologium.

Features of Interest

  • NGC 1261  –  Globular Cluster; also known as Caldwell 87 (C87), large very bright core – the halo is just resolved into a large of faint stars with large telescopes.

Named Stars

  • Alpha Horologii  – Orange giant star of magnitude +3.9.
  • Beta Horologii  –  White giant of magnitude +5.0.


  • Photo of the constellation; Horologium, as it appears to the naked eye. (Lines have been added for clarity.)
  • Sky Chart  –  Horologium
  • List of stars in Horologium.


Back to The 88 Constellations Lists  page.

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