The Sextant

Abbreviation: Sex
Genitive: Sextantis

The constellation of Sextans

Polish astronomer Johannes Hevelius created this constellation in the late seventeenth century. It represents the astronomical sextant.

Notable Features

Designation Name Description
C53 Spindle Galaxy This is an edge-on lenticular galaxy with a central supermassive black hole. It is estimated that the mass of the black hole is on the order of 2 billion solar masses, making it the nearest billion-solar-mass black hole to the Earth.