NGC 2138
 
NGC 2138 is a globular cluster located in the constellation of Dorado. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 2138:
| NGC: | NGC 2138 | 
| Type: | globular cluster | 
| Constellation: | Dorado | 
| V-mag (visual): | 13.7 | 
| B-mag (blue): | 14.0 | 
| Right Ascension: | 05:54:50.18 | 
| Declination: | -65:50:13.60 | 
| Major axis: | 1.2 ' | 
| Minor axis: | 1.2 ' | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS