description Octans Overview
Octans is a constellation in the southern celestial hemisphere, named by the French astronomer Nicolas-Louis de Lacaille during his 1750s survey of the southern sky. Its name refers to the octant, a historical instrument used to measure angles, especially in navigation. The constellation is faint and circumpolar for observers at sufficiently southern latitudes, and the south celestial pole lies within its boundaries.
help Octans FAQ
Where is the constellation Octans located?
Octans is a constellation in the southern celestial hemisphere. Because it lies far south in the sky, it is more useful to observers in the Southern Hemisphere.
Who named the constellation Octans?
French astronomer Nicolas-Louis de Lacaille named Octans during his survey of the southern sky in the 1750s. The name refers to the octant, an instrument used to measure angles in navigation.
What does the name Octans mean?
Octans is named after the octant, a historical navigational instrument. An octant was used to measure angular distances, including angles involving celestial objects.
Is Octans a zodiac constellation?
No. Octans is a southern constellation, not one of the twelve zodiac constellations used along the ecliptic.
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