| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2015 X4 | 2015 12 03.48520 | 06 02 39.78 | +21 36 39.3 | 18.2 | R | H15 |
| C/2015 X4 | 2015 12 03.49480 | 06 02 39.41 | +21 36 33.5 | 17.8 | R | H15 |
| C/2015 X4 | 2015 12 03.50440 | 06 02 39.05 | +21 36 28.0 | 18.0 | R | H15 |
| C/2015 X4 | 2015 12 03.64308 | 06 02 34.42 | +21 35 18.6 | 17.9 | R | Q60 |
| C/2015 X4 | 2015 12 03.65027 | 06 02 34.21 | +21 35 15.5 | 18.0 | R | Q60 |
| C/2015 X4 | 2015 12 03.65565 | 06 02 33.99 | +21 35 11.6 | 18.1 | R | Q60 |
| C/2015 X4 | 2015 12 03.72564 | 06 02 31.62 | +21 34 35.2 | 17.9 | R | Q62 |
| C/2015 X4 | 2015 12 03.72574 | 06 02 31.59 | +21 34 35.4 | Q62 | ||
| C/2015 X4 | 2015 12 03.72747 | 06 02 31.56 | +21 34 34.1 | 18.3 | R | Q62 |
| C/2015 X4 | 2015 12 03.72778 | 06 02 31.52 | +21 34 34.0 | Q62 | ||
| C/2015 X4 | 2015 12 03.72791 | 06 02 31.54 | +21 34 33.9 | 17.9 | R | Q62 |
| C/2015 X4 | 2015 12 03.72979 | 06 02 31.46 | +21 34 32.4 | 16.5 | w | Q62 |
| C/2015 X4 | 2015 12 03.73019 | 06 02 31.47 | +21 34 32.2 | 18.5 | R | Q62 |
| C/2015 X4 | 2015 12 03.80036 | 06 02 29.13 | +21 33 52.0 | 18.0 | R | O75 |
| C/2015 X4 | 2015 12 03.80110 | 06 02 29.10 | +21 33 51.3 | 18.0 | R | O75 |
| C/2015 X4 | 2015 12 03.80793 | 06 02 28.86 | +21 33 47.9 | 18.7 | R | O75 |
| C/2015 X4 | 2015 12 03.82692 | 06 02 28.34 | +21 33 37.1 | 18.1 | V | C43 |
| C/2015 X4 | 2015 12 03.82992 | 06 02 28.10 | +21 33 36.2 | 17.3 | R | O75 |
| C/2015 X4 | 2015 12 03.83066 | 06 02 28.19 | +21 33 35.2 | 18.2 | V | C43 |
| C/2015 X4 | 2015 12 03.83448 | 06 02 27.92 | +21 33 34.2 | 17.4 | R | O75 |
| C/2015 X4 | 2015 12 03.83455 | 06 02 28.08 | +21 33 33.7 | 18.3 | V | C43 |
| C/2015 X4 | 2015 12 03.84078 | 06 02 27.93 | +21 33 30.2 | 17.4 | R | K51 |
| C/2015 X4 | 2015 12 03.84446 | 06 02 27.81 | +21 33 28.3 | 17.4 | R | K51 |
| C/2015 X4 | 2015 12 03.84814 | 06 02 27.68 | +21 33 26.3 | 17.4 | R | K51 |
| C/2015 X4 | 2015 12 03.85100 | 06 02 27.56 | +21 33 25.0 | 246 | ||
| C/2015 X4 | 2015 12 03.85125 | 06 02 27.55 | +21 33 24.5 | 246 | ||
| C/2015 X4 | 2015 12 03.85149 | 06 02 27.55 | +21 33 24.5 | 246 | ||
| C/2015 X4 | 2015 12 03.85189 | 06 02 27.54 | +21 33 24.3 | 246 | ||
| C/2015 X4 | 2015 12 03.85227 | 06 02 27.55 | +21 33 24.2 | 246 | ||
| C/2015 X4 | 2015 12 03.85941 | 06 02 27.24 | +21 33 20.3 | 246 | ||
| C/2015 X4 | 2015 12 03.85965 | 06 02 27.29 | +21 33 20.0 | 246 | ||
| C/2015 X4 | 2015 12 03.85991 | 06 02 27.29 | +21 33 20.1 | 246 | ||
| C/2015 X4 | 2015 12 03.86006 | 06 02 27.29 | +21 33 19.9 | 246 | ||
| C/2015 X4 | 2015 12 03.86041 | 06 02 27.23 | +21 33 20.2 | 246 | ||
| C/2015 X4 | 2015 12 03.87407 | 06 02 26.74 | +21 33 13.0 | 17.6 | V | C77 |
| C/2015 X4 | 2015 12 03.88352 | 06 02 26.46 | +21 33 08.2 | 17.2 | R | I89 |
| C/2015 X4 | 2015 12 03.88697 | 06 02 26.30 | +21 33 05.8 | 17.9 | V | C77 |
| C/2015 X4 | 2015 12 03.90080 | 06 02 25.88 | +21 32 58.6 | 17.1 | R | I89 |
| C/2015 X4 | 2015 12 03.90148 | 06 02 25.80 | +21 32 58.1 | 18.2 | V | C77 |
| C/2015 X4 | 2015 12 03.91639 | 06 02 25.32 | +21 32 50.9 | 18.0 | R | Z82 |
| C/2015 X4 | 2015 12 03.92176 | 06 02 25.16 | +21 32 48.0 | 18.0 | R | Z82 |
| C/2015 X4 | 2015 12 03.92531 | 06 02 25.02 | +21 32 46.1 | 18.0 | R | Z82 |
| C/2015 X4 | 2015 12 03.96771 | 06 02 23.47 | +21 32 23.6 | 17.2 | V | 033 |
| C/2015 X4 | 2015 12 03.97007 | 06 02 23.37 | +21 32 22.2 | 17.9 | V | 033 |
| C/2015 X4 | 2015 12 03.97243 | 06 02 23.28 | +21 32 20.9 | 18.3 | V | 033 |
| C/2015 X4 | 2015 12 03.99161 | 06 02 22.65 | +21 32 10.5 | 18.2 | V | 958 |
| C/2015 X4 | 2015 12 04.00630 | 06 02 22.11 | +21 32 02.9 | 18.1 | V | 958 |
| C/2015 X4 | 2015 12 04.02064 | 06 02 21.57 | +21 31 55.4 | 17.3 | V | 033 |
| C/2015 X4 | 2015 12 04.02098 | 06 02 21.57 | +21 31 55.3 | 18.4 | V | 958 |
| C/2015 X4 | 2015 12 04.02300 | 06 02 21.48 | +21 31 54.2 | 17.4 | V | 033 |
| C/2015 X4 | 2015 12 04.02536 | 06 02 21.39 | +21 31 53.0 | 17.4 | V | 033 |
| C/2015 X4 | 2015 12 04.07502 | 06 02 19.64 | +21 31 26.9 | 17.8 | V | 033 |
| C/2015 X4 | 2015 12 04.07740 | 06 02 19.57 | +21 31 25.5 | 18.1 | V | 033 |
| C/2015 X4 | 2015 12 04.07977 | 06 02 19.49 | +21 31 24.4 | 17.8 | V | 033 |
| C/2015 X4 | 2015 12 04.13632 | 06 02 17.75 | +21 30 59.6 | 17.6 | R | I47 |
| C/2015 X4 | 2015 12 04.14000 | 06 02 17.56 | +21 30 57.3 | 17.4 | R | I47 |
| C/2015 X4 | 2015 12 04.14381 | 06 02 17.46 | +21 30 55.0 | 18.6 | V | I39 |
| C/2015 X4 | 2015 12 04.14443 | 06 02 17.41 | +21 30 54.4 | 17.5 | R | I47 |
| C/2015 X4 | 2015 12 04.15705 | 06 02 16.96 | +21 30 47.5 | 18.5 | V | I39 |
| C/2015 X4 | 2015 12 04.25281 | 06 02 13.63 | +21 29 54.0 | 18.1 | V | 850 |
| C/2015 X4 | 2015 12 04.26272 | 06 02 13.32 | +21 29 48.0 | 18.3 | V | 850 |
| C/2015 X4 | 2015 12 04.27262 | 06 02 12.95 | +21 29 43.0 | 18.2 | V | 850 |
| C/2015 X4 | 2015 12 04.27858 | 06 02 12.80 | +21 29 40.4 | 18.0 | V | H06 |
| C/2015 X4 | 2015 12 04.28252 | 06 02 12.56 | +21 29 38.9 | 18.0 | V | 850 |
| C/2015 X4 | 2015 12 04.29241 | 06 02 12.21 | +21 29 33.7 | 18.2 | V | 850 |
| C/2015 X4 | 2015 12 04.29744 | 06 02 12.11 | +21 29 30.3 | 17.7 | V | I52 |
| C/2015 X4 | 2015 12 04.30483 | 06 02 11.82 | +21 29 26.5 | 17.8 | V | I52 |
| C/2015 X4 | 2015 12 04.31148 | 06 02 11.59 | +21 29 22.7 | 17.8 | V | I52 |
| C/2015 X4 | 2015 12 04.31778 | 06 02 11.35 | +21 29 19.8 | 17.6 | V | I52 |
| C/2015 X4 | 2015 12 04.32324 | 06 02 11.16 | +21 29 16.6 | 17.9 | V | H06 |
| C/2015 X4 | 2015 12 04.32704 | 06 02 11.02 | +21 29 14.7 | H06 | ||
| C/2015 X4 | 2015 12 04.35332 | 06 02 10.02 | +21 29 00.3 | 18.0 | R | 850 |
| C/2015 X4 | 2015 12 04.41455 | 06 02 07.85 | +21 28 27.7 | 17.9 | R | 850 |
| C/2015 X4 | 2015 12 04.50921 | 06 02 04.47 | +21 27 38.1 | 17.9 | R | H15 |
| C/2015 X4 | 2015 12 04.51169 | 06 02 04.39 | +21 27 36.8 | 18.0 | R | H15 |
| C/2015 X4 | 2015 12 04.51419 | 06 02 04.27 | +21 27 34.9 | 18.2 | R | H15 |
| C/2015 X4 | 2015 12 04.66068 | 06 01 59.20 | +21 26 18.4 | 18.4 | z | F51 |
| C/2015 X4 | 2015 12 04.88889 | 06 01 51.54 | +21 24 16.5 | 17.6 | R | C23 |
| C/2015 X4 | 2015 12 04.89178 | 06 01 51.45 | +21 24 14.7 | 17.6 | R | C23 |
| C/2015 X4 | 2015 12 04.89466 | 06 01 51.33 | +21 24 13.0 | 17.4 | R | C23 |
| C/2015 X4 | 2015 12 04.89477 | 06 01 51.42 | +21 24 13.6 | 17.8 | R | Z82 |
| C/2015 X4 | 2015 12 04.89756 | 06 01 51.15 | +21 24 11.4 | 16.7 | R | C23 |
| C/2015 X4 | 2015 12 04.89764 | 06 01 51.26 | +21 24 11.1 | 18.3 | R | B96 |
| C/2015 X4 | 2015 12 04.89845 | 06 01 51.18 | +21 24 11.7 | 17.9 | R | C10 |
| C/2015 X4 | 2015 12 04.89931 | 06 01 51.20 | +21 24 11.9 | 18.4 | R | B96 |
| C/2015 X4 | 2015 12 04.90044 | 06 01 51.08 | +21 24 10.0 | 16.8 | R | C23 |
| C/2015 X4 | 2015 12 04.90095 | 06 01 51.11 | +21 24 09.7 | 18.5 | R | B96 |
| C/2015 X4 | 2015 12 04.90179 | 06 01 51.16 | +21 24 10.4 | 18.2 | R | Z82 |
| C/2015 X4 | 2015 12 04.90262 | 06 01 51.00 | +21 24 09.3 | 18.5 | R | B96 |
| C/2015 X4 | 2015 12 04.90999 | 06 01 50.86 | +21 24 06.0 | 17.9 | R | Z82 |
| C/2015 X4 | 2015 12 04.92388 | 06 01 50.26 | +21 24 00.1 | 18.1 | R | C10 |
| C/2015 X4 | 2015 12 04.95437 | 06 01 49.21 | +21 23 43.5 | 18.0 | R | C10 |
| C/2015 X4 | 2015 12 04.98439 | 06 01 48.18 | +21 23 26.3 | I89 | ||
| C/2015 X4 | 2015 12 04.99034 | 06 01 47.96 | +21 23 23.4 | 18.2 | V | I89 |
| C/2015 X4 | 2015 12 05.21610 | 06 01 40.04 | +21 21 24.5 | 17.7 | R | 850 |
| C/2015 X4 | 2015 12 05.23750 | 06 01 39.26 | +21 21 13.8 | 17.7 | R | 850 |
| C/2015 X4 | 2015 12 05.26203 | 06 01 38.39 | +21 20 59.8 | 17.9 | R | 850 |
| C/2015 X4 | 2015 12 05.95939 | 06 01 13.66 | +21 14 49.7 | 18.5 | R | 958 |
| C/2015 X4 | 2015 12 05.98170 | 06 01 12.87 | +21 14 38.4 | 18.2 | V | 595 |
| C/2015 X4 | 2015 12 05.98426 | 06 01 12.78 | +21 14 37.3 | 18.3 | R | 958 |
| C/2015 X4 | 2015 12 05.99280 | 06 01 12.47 | +21 14 32.5 | 18.0 | V | 595 |
| C/2015 X4 | 2015 12 06.00102 | 06 01 12.19 | +21 14 28.4 | 18.2 | R | 958 |
| C/2015 X4 | 2015 12 06.08188 | 06 01 09.22 | +21 13 46.3 | 17.8 | V | I89 |
| C/2015 X4 | 2015 12 06.08536 | 06 01 09.10 | +21 13 43.9 | 18.0 | V | I89 |
| C/2015 X4 | 2015 12 06.09049 | 06 01 08.89 | +21 13 41.4 | 18.0 | V | I89 |
| C/2015 X4 | 2015 12 06.09727 | 06 01 08.61 | +21 13 37.9 | 17.7 | V | I89 |
| C/2015 X4 | 2015 12 06.21069 | 06 01 04.83 | +21 12 37.5 | 17.6 | V | I52 |
| C/2015 X4 | 2015 12 06.23351 | 06 01 03.98 | +21 12 25.5 | 17.7 | V | I52 |
| C/2015 X4 | 2015 12 06.23931 | 06 01 03.75 | +21 12 22.7 | 17.7 | V | I52 |
| C/2015 X4 | 2015 12 06.24514 | 06 01 03.54 | +21 12 19.7 | 17.8 | V | I52 |
| C/2015 X4 | 2015 12 06.28997 | 06 01 01.93 | +21 11 55.7 | 18.6 | R | 926 |
| C/2015 X4 | 2015 12 06.30404 | 06 01 01.31 | +21 11 48.4 | 18.7 | R | 926 |
| C/2015 X4 | 2015 12 06.32262 | 06 01 00.67 | +21 11 38.0 | 18.5 | R | 926 |
| C/2015 X4 | 2015 12 06.50589 | 06 00 53.89 | +21 10 00.8 | 17.8 | R | H15 |
| C/2015 X4 | 2015 12 06.50898 | 06 00 53.78 | +21 09 59.0 | 18.0 | R | H15 |
| C/2015 X4 | 2015 12 06.51270 | 06 00 53.64 | +21 09 57.0 | 18.1 | R | H15 |
| C/2015 X4 | 2015 12 06.71088 | 06 00 46.57 | +21 08 16.2 | 18.1 | R | Q60 |
| C/2015 X4 | 2015 12 06.71208 | 06 00 46.51 | +21 08 15.6 | 18.1 | R | Q60 |
| C/2015 X4 | 2015 12 06.71330 | 06 00 46.46 | +21 08 14.5 | 18.1 | R | Q60 |
| C/2015 X4 | 2015 12 06.77458 | 06 00 44.55 | +21 07 37.3 | 17.4 | R | 215 |
| C/2015 X4 | 2015 12 06.77587 | 06 00 44.50 | +21 07 36.7 | 17.6 | R | 215 |
| C/2015 X4 | 2015 12 06.77713 | 06 00 44.44 | +21 07 36.0 | 17.7 | R | 215 |
| C/2015 X4 | 2015 12 06.93736 | 06 00 38.66 | +21 06 12.3 | 17.9 | V | I89 |
| C/2015 X4 | 2015 12 06.94506 | 06 00 38.38 | +21 06 08.0 | 18.9 | V | I89 |
| C/2015 X4 | 2015 12 07.23529 | 06 00 27.86 | +21 03 34.4 | 17.7 | V | H06 |
| C/2015 X4 | 2015 12 07.23685 | 06 00 27.79 | +21 03 33.3 | 17.7 | V | H06 |
| C/2015 X4 | 2015 12 07.24156 | 06 00 27.61 | +21 03 30.8 | 17.8 | V | H06 |
| C/2015 X4 | 2015 12 07.24470 | 06 00 27.50 | +21 03 28.9 | 17.8 | V | H06 |
| C/2015 X4 | 2015 12 07.60066 | 06 00 14.51 | +21 00 20.1 | 18.3 | V | 900 |
| C/2015 X4 | 2015 12 07.60638 | 06 00 14.31 | +21 00 17.0 | 18.5 | V | 900 |
| C/2015 X4 | 2015 12 07.76265 | 06 00 08.34 | +20 58 54.3 | 17.7 | R | 300 |
| C/2015 X4 | 2015 12 07.77074 | 06 00 08.07 | +20 58 50.0 | 17.8 | R | 300 |
| C/2015 X4 | 2015 12 07.77559 | 06 00 07.85 | +20 58 46.0 | 17.6 | R | 300 |
| C/2015 X4 | 2015 12 07.78044 | 06 00 07.74 | +20 58 44.7 | 17.7 | R | 300 |
| C/2015 X4 | 2015 12 07.78530 | 06 00 07.56 | +20 58 41.8 | 17.8 | R | 300 |
| C/2015 X4 | 2015 12 07.79014 | 06 00 07.38 | +20 58 39.9 | 17.9 | R | 300 |
| C/2015 X4 | 2015 12 07.85523 | 06 00 05.31 | +20 58 04.1 | 246 | ||
| C/2015 X4 | 2015 12 07.85573 | 06 00 05.25 | +20 58 03.8 | 246 | ||
| C/2015 X4 | 2015 12 07.85601 | 06 00 05.26 | +20 58 03.5 | 246 | ||
| C/2015 X4 | 2015 12 07.85654 | 06 00 05.21 | +20 58 03.5 | 246 | ||
| C/2015 X4 | 2015 12 07.85669 | 06 00 05.25 | +20 58 02.8 | 246 | ||
| C/2015 X4 | 2015 12 07.85693 | 06 00 05.20 | +20 58 03.3 | 246 | ||
| C/2015 X4 | 2015 12 07.85712 | 06 00 05.19 | +20 58 03.2 | 246 | ||
| C/2015 X4 | 2015 12 07.85779 | 06 00 05.17 | +20 58 02.7 | 246 | ||
| C/2015 X4 | 2015 12 07.94522 | 06 00 01.94 | +20 57 16.0 | 18.4 | V | I93 |
| C/2015 X4 | 2015 12 07.95250 | 06 00 01.67 | +20 57 12.4 | 18.1 | V | I93 |
| C/2015 X4 | 2015 12 07.95978 | 06 00 01.38 | +20 57 08.7 | 18.2 | V | I93 |
| C/2015 X4 | 2015 12 07.99215 | 06 00 00.17 | +20 56 50.9 | 17.2 | R | C23 |
| C/2015 X4 | 2015 12 07.99648 | 05 59 59.98 | +20 56 48.8 | 17.2 | R | C23 |
| C/2015 X4 | 2015 12 08.00226 | 05 59 59.77 | +20 56 46.0 | 17.3 | R | C23 |
| C/2015 X4 | 2015 12 08.12507 | 05 59 55.41 | +20 55 40.9 | 17.7 | R | 850 |
| C/2015 X4 | 2015 12 08.14000 | 05 59 54.85 | +20 55 33.3 | 17.7 | R | 850 |
| C/2015 X4 | 2015 12 08.18352 | 05 59 53.35 | +20 55 09.9 | 18.8 | V | H06 |
| C/2015 X4 | 2015 12 08.18507 | 05 59 53.16 | +20 55 09.5 | 17.7 | V | H06 |
| C/2015 X4 | 2015 12 08.18666 | 05 59 53.16 | +20 55 09.2 | 18.5 | V | H06 |
| C/2015 X4 | 2015 12 08.18822 | 05 59 53.13 | +20 55 08.0 | 17.6 | V | H06 |
| C/2015 X4 | 2015 12 08.22972 | 05 59 51.41 | +20 54 46.5 | 17.7 | R | 850 |
| C/2015 X4 | 2015 12 08.24466 | 05 59 50.86 | +20 54 37.8 | 17.6 | R | 850 |
| C/2015 X4 | 2015 12 08.25214 | 05 59 50.59 | +20 54 33.9 | 17.6 | R | 850 |
| C/2015 X4 | 2015 12 08.25962 | 05 59 50.31 | +20 54 30.1 | 17.6 | R | 850 |
| C/2015 X4 | 2015 12 08.27455 | 05 59 49.75 | +20 54 21.7 | 17.7 | R | 850 |
| C/2015 X4 | 2015 12 08.63345 | 05 59 36.51 | +20 51 10.5 | 17.9 | V | 900 |
| C/2015 X4 | 2015 12 08.64059 | 05 59 36.28 | +20 51 07.3 | 17.7 | V | 900 |