NGC 3581
 
NGC 3581 is a H II region located in the constellation of Carina. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 3581:
| NGC: | NGC 3581 | 
| Type: | H II region | 
| Constellation: | Carina | 
| Right Ascension: | 11:12:01.96 | 
| Declination: | -61:18:06.70 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS