| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1999 J4 | 1999 05 17.30022 | 15 47 28.72 | +45 38 01.1 | 18.2 | N | 684 |
| C/1999 J4 | 1999 05 17.30476 | 15 47 28.18 | +45 38 05.2 | 684 | ||
| C/1999 J4 | 1999 05 17.30834 | 15 47 27.66 | +45 38 07.2 | 19.4 | N | 704 |
| C/1999 J4 | 1999 05 17.37257 | 15 47 19.94 | +45 38 52.4 | 670 | ||
| C/1999 J4 | 1999 05 17.38299 | 15 47 18.76 | +45 39 01.1 | 670 | ||
| C/1999 J4 | 1999 05 17.84134 | 15 46 23.15 | +45 44 46.3 | 18.1 | N | 118 |
| C/1999 J4 | 1999 05 17.84415 | 15 46 22.82 | +45 44 49.1 | 118 | ||
| C/1999 J4 | 1999 05 17.85273 | 15 46 21.60 | +45 44 55.6 | 118 | ||
| C/1999 J4 | 1999 05 17.92476 | 15 46 12.83 | +45 45 48.1 | 557 | ||
| C/1999 J4 | 1999 05 17.93174 | 15 46 12.00 | +45 45 54.4 | 557 | ||
| C/1999 J4 | 1999 05 20.50477 | 15 40 56.57 | +46 16 27.7 | 17.5 | T | 402 |
| C/1999 J4 | 1999 05 20.50638 | 15 40 56.39 | +46 16 28.4 | 402 | ||
| C/1999 J4 | 1999 05 20.50959 | 15 40 56.03 | +46 16 31.1 | 402 | ||
| C/1999 J4 | 1999 05 20.63073 | 15 40 41.01 | +46 17 52.9 | 18.5 | T | 360 |
| C/1999 J4 | 1999 05 20.63507 | 15 40 40.42 | +46 17 56.7 | 360 | ||
| C/1999 J4 | 1999 05 20.63924 | 15 40 39.93 | +46 17 58.4 | 360 | ||
| C/1999 J4 | 1999 06 11.62850 | 14 55 19.78 | +48 48 40.7 | 867 | ||
| C/1999 J4 | 1999 06 11.63718 | 14 55 18.76 | +48 48 41.6 | 867 | ||
| C/1999 J4 | 1999 06 11.64447 | 14 55 17.83 | +48 48 42.7 | 867 |
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