NGC 2421
 
NGC 2421 is a open cluster located in the constellation of Puppis. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 2421:
| NGC: | NGC 2421 | 
| Type: | open cluster | 
| Constellation: | Puppis | 
| V-mag (visual): | 8.3 | 
| B-mag (blue): | 8.69 | 
| Right Ascension: | 07:36:11.81 | 
| Declination: | -20:36:44.10 | 
| Major axis: | 5.1 ' | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS