| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 J4 | 1999 05 15.31791 | 15 51 26.96 | +45 12 11.2 | 18.3 | N | 704 |
| C/1999 J4 | 1999 05 15.33305 | 15 51 25.25 | +45 12 22.5 | 18.8 | N | 704 |
| C/1999 J4 | 1999 05 15.34809 | 15 51 23.45 | +45 12 36.1 | 18.5 | N | 704 |
| C/1999 J4 | 1999 05 15.36338 | 15 51 21.43 | +45 12 46.8 | 18.2 | N | 704 |
| C/1999 J4 | 1999 05 16.88035 | 15 48 19.49 | +45 32 39.3 | 18.2 | T | 557 |
| C/1999 J4 | 1999 05 16.88267 | 15 48 19.18 | +45 32 41.2 | 557 | ||
| C/1999 J4 | 1999 05 16.88500 | 15 48 18.98 | +45 32 43.5 | 557 | ||
| C/1999 J4 | 1999 05 16.92867 | 15 48 13.67 | +45 33 16.6 | 18.3 | T | 046 |
| C/1999 J4 | 1999 05 16.93024 | 15 48 13.38 | +45 33 17.9 | 046 | ||
| C/1999 J4 | 1999 05 16.93168 | 15 48 13.28 | +45 33 18.1 | 046 | ||
| C/1999 J4 | 1999 05 16.93324 | 15 48 13.07 | +45 33 19.3 | 046 | ||
| C/1999 J4 | 1999 05 16.93495 | 15 48 12.85 | +45 33 22.1 | 046 | ||
| C/1999 J4 | 1999 05 16.93639 | 15 48 12.68 | +45 33 22.4 | 046 | ||
| C/1999 J4 | 1999 05 16.95219 | 15 48 10.82 | +45 33 33.7 | 17.6 | N | 118 |
| C/1999 J4 | 1999 05 16.95352 | 15 48 10.62 | +45 33 35.3 | 118 | ||
| C/1999 J4 | 1999 05 16.95560 | 15 48 10.33 | +45 33 37.3 | 118 | ||
| C/1999 J4 | 1999 05 17.25953 | 15 47 33.66 | +45 37 30.9 | 19.1 | N | 704 |
| C/1999 J4 | 1999 05 17.27180 | 15 47 32.00 | +45 37 40.0 | 19.3 | N | 704 |
| C/1999 J4 | 1999 05 17.28399 | 15 47 30.71 | +45 37 49.4 | 19.3 | N | 704 |
| C/1999 J4 | 1999 05 17.29616 | 15 47 29.10 | +45 37 57.6 | 19.3 | N | 704 |
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