The Horologium reference article from the English Wikipedia on 24-Jul-2004
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Horologium

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Image:Horologium_constellation_map.png

Horologium (abbreviation Hor, genitive Horologii) is one of the lesser southern constellations (declination around -60 degrees).

Originally named Horologium Oscillitorium by Abbé Nicolas Louis de Lacaille, the constellation name has since been shortened to be less cumbersome. Horologium Oscillitorium was to honour the inventor of the pendulum clock, Christian Huygens