NGC 1866
 
NGC 1866 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 1866:
| NGC: | NGC 1866 | 
| Type: | globular cluster | 
| Constellation: | Dorado | 
| V-mag (visual): | 9.73 | 
| B-mag (blue): | 9.98 | 
| Right Ascension: | 05:13:39.10 | 
| Declination: | -65:27:56.10 | 
| Major axis: | 5.5 ' | 
| Minor axis: | 5.5 ' | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS