Norma
The carpenter's square. Genitive Normae, abbreviated Nor. Introduced by Lacaille.
Area
165.27 sq°
74 of 88 by size
Brightest star
γ2 Normae
magnitude 4.02
Best seen
May
on the meridian at midnight
Visible from
48°N to 90°S
some part above the horizon
Where it is
| Measure | Value |
|---|---|
| Centre | 16h 05m, −51.6° |
| Declination range | −60.4° to −42.3° |
| Naked-eye stars | 40 to magnitude 6.5, 0 to magnitude 3 |
| Borders | Ara, Circinus, Lupus, Scorpius, Triangulum Australe |
Principal stars
Norma has no star brighter than magnitude 4, so its five brightest are listed instead.
| Star | Magnitude | HR |
|---|---|---|
| γ2 Normae | 4.02 | 6072 |
| ε Normae | 4.47 | 6115 |
| ι1 Normae | 4.63 | 5961 |
| η Normae | 4.65 | 5962 |
| δ Normae | 4.72 | 5980 |
Deep sky
No object in Norma carries a Messier number or a common name. It contains catalogued objects all the same, identified by number only.
My Sky
Rise, highest and set over your place, for any night: Norma
Further info
Sources
Principal stars: Bright Star Catalogue
Deep sky: NGC 2000.0
Area and borders: IAU constellation boundaries
