| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2017 S3 | 2018 07 06.79757 | 03 33 17.56 | +59 04 23.5 | 14.6 | G | D35 |
| C/2017 S3 | 2018 07 06.79853 | 03 33 17.91 | +59 04 23.1 | 14.6 | G | D35 |
| C/2017 S3 | 2018 07 06.84145 | 03 33 33.13 | +59 04 07.7 | 14.6 | G | D35 |
| C/2017 S3 | 2018 07 06.84233 | 03 33 33.44 | +59 04 07.3 | 14.6 | G | D35 |
| C/2017 S3 | 2018 07 06.84322 | 03 33 33.75 | +59 04 07.0 | 14.6 | G | D35 |
| C/2017 S3 | 2018 07 07.01390 | 03 34 34.00 | +59 03 00.5 | 14.6 | R | B96 |
| C/2017 S3 | 2018 07 07.02207 | 03 34 37.01 | +59 02 55.7 | 14.7 | R | B96 |
| C/2017 S3 | 2018 07 07.02816 | 03 34 39.03 | +59 02 53.9 | 14.5 | R | B96 |
| C/2017 S3 | 2018 07 07.03381 | 03 34 41.14 | +59 02 51.9 | 14.6 | R | B96 |
| C/2017 S3 | 2018 07 07.03944 | 03 34 43.13 | +59 02 49.6 | 14.6 | R | B96 |
| C/2017 S3 | 2018 07 07.04508 | 03 34 45.05 | +59 02 48.2 | 14.6 | R | B96 |
| C/2017 S3 | 2018 07 07.05041 | 03 34 47.11 | +59 02 45.2 | 14.5 | N | L12 |
| C/2017 S3 | 2018 07 07.05072 | 03 34 47.09 | +59 02 45.4 | 14.5 | R | B96 |
| C/2017 S3 | 2018 07 07.05394 | 03 34 48.32 | +59 02 44.1 | 13.7 | N | L12 |
| C/2017 S3 | 2018 07 07.05744 | 03 34 49.22 | +59 02 43.2 | 13.6 | N | L12 |
| C/2017 S3 | 2018 07 07.06097 | 03 34 50.61 | +59 02 41.9 | 13.7 | N | L12 |
| C/2017 S3 | 2018 07 07.06195 | 03 34 51.10 | +59 02 41.8 | 14.2 | V | A77 |
| C/2017 S3 | 2018 07 07.06219 | 03 34 51.18 | +59 02 40.6 | 11.3 | T | Z80 |
| C/2017 S3 | 2018 07 07.06326 | 03 34 51.52 | +59 02 40.5 | 14.2 | N | Z80 |
| C/2017 S3 | 2018 07 07.06417 | 03 34 51.88 | +59 02 39.9 | 14.2 | N | Z80 |