NGC 6866
 
NGC 6866 is a open cluster located in the constellation of Cygnus. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6866:
| NGC: | NGC 6866 | 
| Type: | open cluster | 
| Constellation: | Cygnus | 
| V-mag (visual): | 7.6 | 
| B-mag (blue): | 8.04 | 
| Right Ascension: | 20:03:55.18 | 
| Declination: | 44:09:32.80 | 
| Major axis: | 5.1 ' | 
| Radial velocity: | 13 km/s | 
| Redshift: | 0.000042 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS