Horologium (The Pendulum Clock)

Faint far-southern constellation honouring the clockmaker's art.

Core Principles & Analysis

• Lacaille created it around 1752 as the pendulum clock, honouring Christiaan Huygens' invention.
• It is one of his 14 instrument constellations charted from the Cape of Good Hope.
• Its stars are faint and its deep sky is dominated by very distant galaxy clusters.

Specifications & Metrics

• BRIGHTEST STAR: α Horologii
• HEMISPHERE: Southern
• BEST VIEWED: December