NGC 6451 (H2276)
Tom Thumb Cluster
NGC 6451 (H2276) is a open cluster located in the constellation of Scorpius. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 6451:
| Herschel: | H2276 | 
| NGC/IC: | NGC 6451 | 
| Common name: | Tom Thumb Cluster | 
| Herschel: | H 6. 13 | 
| Type: | open cluster | 
| Magnitude: | 8.2 | 
| Right Ascension: | 17:50.7 | 
| Declination: | -30:13 | 
| Constellation: | Scorpius | 
| Size (arc-minutes): | 7 |