Messier | Type | Magnitude | Size ['] | Distance [ly] | Const | Sky Atlas | RA [Hrs] | Dec [°] | Alt [°] | NGC | Popular | More |
---|---|---|---|---|---|---|---|---|---|---|---|---|
M21 | Open Cluster | 5.9 | 13 | 4250 | Sagittarius | p22 | 18.0704 | -22.4900 | 19.0 | NGC 6531 | ||
Messier | Type | Magnitude | Size ['] | Distance [ly] | Const | Sky Atlas | RA [Hrs] | Dec [°] | Alt [°] | NGC | Popular | More |