NGC 2331 (H528)
NGC 2331 (H528) is a open cluster located in the constellation of Gemini. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 2331:
| Herschel: | H528 | 
| NGC/IC: | NGC 2331 | 
| Herschel: | H 8. 40 | 
| Type: | open cluster | 
| Magnitude: | 8.5 | 
| Right Ascension: | 07:07.2 | 
| Declination: | +27:21 | 
| Constellation: | Gemini | 
| Size (arc-minutes): | 18 |