| Cluster: | Abell 1016 Leo (Abell distance class 3) |
| Site: | Breitenbuch (Odenwald) |
| fst: | 6m,7 |
| Instr.: | 457/1850-Newton |
| Mag. | 276 × |
| Description: | An extremely difficult galaxy cluster with only six definetly visible members. Even the major galaxies IC 612 and IC 615 are little conspicuous. Anyway, Abell 1016 is a cruel dc3-cluster which is a hard challenge for an 18 inch scope. Although two MAC galaxies are visible, three more suspected. |
| Nr. | Object (MegaStar) | mag. | Description with 18" |
| 1 | IC 612 | 15.4 | faint, diffuse patch, round |
| 2 | IC 613 | 14.8 | diffuse, round patch, pretty dim |
| 3 | IC 615 | 15.1 | faint, diffuse, elongated NW to SE |
| 4 | CGCG 65-32 | 15.6 | faint, diffuse |
| 5 | CGCG 65-34 | 15.6 | faint, diffuse |
| 11 | MAC 1027+1055 | - | suspected |
| 14 | MAC 1027+1100 | - | very faint, definite, small, diffuse, star close to N |
| 15 | MAC 1027+1101 | - | faint, diffuse, stellar core suspected |
| 16 | MAC 1027+1103 | - | suspected |
| 29 | MAC 1026+1057A | - | suspected (stellar?) |