| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2007 JA21 | 2007 06 19.96865 | 16 47 17.94 | +50 12 29.0 | 18.7 | N | A03 |
| C/2007 JA21 | 2007 06 19.97248 | 16 47 17.68 | +50 12 26.1 | 18.2 | N | A03 |
| C/2007 JA21 | 2007 06 19.97630 | 16 47 17.42 | +50 12 24.9 | 18.3 | N | A03 |
| C/2007 JA21 | 2007 06 19.98402 | 16 47 16.85 | +50 12 19.9 | 18.6 | N | A03 |
| C/2007 JA21 | 2007 06 20.17173 | 16 47 03.43 | +50 10 40.5 | 18.8 | T | 699 |
| C/2007 JA21 | 2007 06 20.19403 | 16 47 01.68 | +50 10 28.3 | 699 | ||
| C/2007 JA21 | 2007 06 20.21670 | 16 46 59.94 | +50 10 14.3 | 699 | ||
| C/2007 JA21 | 2007 06 20.23942 | 16 46 58.43 | +50 10 03.7 | 699 | ||
| C/2007 JA21 | 2007 06 25.91323 | 16 40 19.05 | +49 15 52.0 | 118 | ||
| C/2007 JA21 | 2007 06 25.91819 | 16 40 18.73 | +49 15 49.3 | 118 | ||
| C/2007 JA21 | 2007 07 07.90959 | 16 28 05.62 | +47 02 16.1 | 19.2 | T | 561 |
| C/2007 JA21 | 2007 07 07.91322 | 16 28 05.42 | +47 02 13.7 | 19.4 | T | 561 |
| C/2007 JA21 | 2007 07 07.91685 | 16 28 05.24 | +47 02 10.6 | 18.9 | T | 561 |
| C/2007 JA21 | 2007 07 12.88402 | 16 23 49.84 | +46 00 32.8 | 19.0 | N | 213 |
| C/2007 JA21 | 2007 07 12.88913 | 16 23 49.60 | +46 00 28.6 | 19.0 | N | 213 |
| C/2007 JA21 | 2007 07 12.89169 | 16 23 49.47 | +46 00 26.5 | 19.0 | N | 213 |
| C/2007 JA21 | 2007 07 13.87163 | 16 23 02.50 | +45 47 53.4 | 19.1 | N | A77 |
| C/2007 JA21 | 2007 07 13.87354 | 16 23 02.44 | +45 47 54.1 | 18.9 | N | A77 |
| C/2007 JA21 | 2007 07 13.87546 | 16 23 02.40 | +45 47 53.1 | 18.9 | N | A77 |
| C/2007 JA21 | 2007 07 13.88500 | 16 23 01.89 | +45 47 44.7 | 19.1 | N | A77 |