NGC 231
 
NGC 231 is a open cluster located in the constellation of Tucana. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 231:
| NGC: | NGC 231 | 
| Type: | open cluster | 
| Constellation: | Tucana | 
| V-mag (visual): | 12.8 | 
| B-mag (blue): | 13.1 | 
| Right Ascension: | 00:41:06.43 | 
| Declination: | -73:21:08.70 | 
| Major axis: | 1.8 ' | 
| Minor axis: | 1.8 ' | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS