NGC 2129
 
NGC 2129 is a open cluster located in the constellation of Gemini. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 2129:
| NGC: | NGC 2129 | 
| Type: | open cluster | 
| Constellation: | Gemini | 
| V-mag (visual): | 6.7 | 
| B-mag (blue): | 7.31 | 
| Right Ascension: | 06:01:06.54 | 
| Declination: | 23:19:19.80 | 
| Major axis: | 3.9 ' | 
| Radial velocity: | 12 km/s | 
| Redshift: | 0.000039 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS