Constellations · Constellation · Normae · Nor
Constellation
Norma
A carpenter’s set square — Lacaille’s tribute to the instruments of geometry, lying in the Milky Way beside the Scorpion.
- Genitive
- Normae
- Area
- 165 square degrees · 74th of 88
- Brightest star
- · magnitude 4.01
- Naked-eye stars
- 44 brighter than magnitude 6.5
- Highest at midnight
- late May
History
Lacaille’s original was a set square and ruler; later astronomers moved its alpha and beta stars into Scorpius, so Norma has neither.