| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1959 X1 | 1959 12 04.53971 | 15 11 09.65 | -05 45 12.8 | 13.5 | N | 689 |
| C/1959 X1 | 1959 12 04.54543 | 15 11 10.83 | -05 45 18.0 | 689 | ||
| C/1959 X1 | 1959 12 30.53955 | 16 38 04.13 | -11 54 43.2 | 689 | ||
| C/1959 X1 | 1959 12 30.54509 | 16 38 05.13 | -11 54 46.7 | 689 | ||
| C/1959 X1 | 1960 03 25.47794 | 19 44 00.44 | -17 46 46.0 | 16.3 | N | 689 |
| C/1959 X1 | 1960 03 25.50010 | 19 44 02.03 | -17 46 48.2 | 689 | ||
| C/1959 X1 | 1960 04 21.46240 | 20 07 38.56 | -18 47 01.3 | 17.8 | N | 689 |
| C/1959 X1 | 1960 05 22.43140 | 20 11 28.97 | -21 12 05.7 | 17.5 | N | 689 |
| C/1959 X1 | 1960 05 22.45010 | 20 11 28.60 | -21 12 12.5 | 689 | ||
| C/1959 X1 | 1960 06 18.33886 | 19 55 16.02 | -24 15 42.2 | 17.8 | N | 689 |
| C/1959 X1 | 1960 06 18.34787 | 19 55 15.49 | -24 15 46.1 | 689 | ||
| C/1959 X1 | 1960 06 21.36105 | 19 52 36.85 | -24 36 51.7 | 17.0 | N | 689 |
| C/1959 X1 | 1960 06 21.38529 | 19 52 35.55 | -24 37 02.2 | 689 | ||
| C/1959 X1 | 1960 08 01.31910 | 19 15 50.46 | -28 13 57.6 | 17.8 | N | 689 |
| C/1959 X1 | 1960 08 01.34333 | 19 15 49.41 | -28 14 02.7 | 689 | ||
| C/1959 X1 | 1960 08 18.16196 | 19 06 52.24 | -28 54 26.2 | 18.4 | N | 689 |
| C/1959 X1 | 1960 08 18.18619 | 19 06 51.68 | -28 54 28.0 | 689 | ||
| C/1959 X1 | 1960 09 26.12492 | 19 07 18.50 | -29 15 00.6 | 19.1 | N | 689 |
| C/1959 X1 | 1960 09 26.14847 | 19 07 18.93 | -29 14 59.8 | 689 |