45 minutes exposure on Kodak Gold 1000 film.
5" f/5 refractor, prime focus.
| Object Type | Open Cluster |
| Constellation | Sagittarius |
| Magnitude | 6.9 |
| Size | 14.0' x 14.0' |
M28 is a small, compact, but bright globular cluster in Sagittarius. It is situated some 4 degrees west and 1 degree south of M22, close to the bright star lamba sagittarii, which is the bright red star to the left of the cluster. M28 is a good sight in an 8" telescope with considerable resolution achievable.