| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1998 M5 | 1999 03 30.88015 | 08 02 08.72 | +74 10 20.5 | 11.6 | T | 504 |
| C/1998 M5 | 1999 03 30.88214 | 08 02 08.80 | +74 10 13.2 | 11.6 | T | 504 |
| C/1998 M5 | 1999 03 30.88278 | 08 02 08.81 | +74 10 11.3 | 11.6 | T | 504 |
| C/1998 M5 | 1999 03 30.88340 | 08 02 08.88 | +74 10 09.3 | 11.7 | T | 504 |
| C/1998 M5 | 1999 03 31.55245 | 08 02 50.95 | +73 30 34.7 | 11.7 | T | 402 |
| C/1998 M5 | 1999 03 31.55360 | 08 02 51.08 | +73 30 30.1 | 11.9 | T | 355 |
| C/1998 M5 | 1999 03 31.55371 | 08 02 51.01 | +73 30 30.0 | 402 | ||
| C/1998 M5 | 1999 03 31.55498 | 08 02 51.10 | +73 30 25.6 | 402 | ||
| C/1998 M5 | 1999 03 31.55589 | 08 02 51.18 | +73 30 22.1 | 355 | ||
| C/1998 M5 | 1999 03 31.56024 | 08 02 51.40 | +73 30 06.5 | 355 | ||
| C/1998 M5 | 1999 04 03.82470 | 08 06 13.13 | +70 20 10.2 | 963 | ||
| C/1998 M5 | 1999 04 05.94803 | 08 08 20.38 | +68 19 38.4 | 046 | ||
| C/1998 M5 | 1999 04 05.94931 | 08 08 20.46 | +68 19 33.9 | 046 | ||
| C/1998 M5 | 1999 04 05.95071 | 08 08 20.54 | +68 19 29.2 | 046 | ||
| C/1998 M5 | 1999 04 07.19231 | 08 09 34.32 | +67 10 16.0 | 14.1 | T | 750 |
| C/1998 M5 | 1999 04 07.20088 | 08 09 34.80 | +67 09 47.5 | 14.2 | T | 750 |
| C/1998 M5 | 1999 04 07.21293 | 08 09 35.48 | +67 09 07.1 | 14.4 | T | 750 |
| C/1998 M5 | 1999 04 07.56736 | 08 09 56.43 | +66 49 32.2 | 11.1 | T | 360 |
| C/1998 M5 | 1999 04 07.56910 | 08 09 56.51 | +66 49 26.5 | 360 | ||
| C/1998 M5 | 1999 04 07.58619 | 08 09 57.50 | +66 48 28.9 | 11.5 | T | 897 |