| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1915 C1 | 1915 03 18.15289 | 17 51 26.52 | +00 14 11.9 | 513 | ||
| C/1915 C1 | 1915 03 21.03898 | 17 55 02.70 | -00 04 18.0 | 029 | ||
| C/1915 C1 | 1915 03 21.19262 | 17 55 14.12 | -00 05 18.5 | 008 | ||
| C/1915 C1 | 1915 03 22.13800 | 17 56 24.90 | -00 11 44.0 | 029 | ||
| C/1915 C1 | 1915 03 31.16903 | 18 07 40.75 | -01 22 33.8 | 008 | ||
| C/1915 C1 | 1915 03 31.18011 | 18 07 41.50 | -01 22 40.1 | 008 | ||
| C/1915 C1 | 1915 04 05.06538 | 18 13 49.30 | -02 10 54.0 | 029 | ||
| C/1915 C1 | 1915 04 13.01405 | 18 23 55.00 | -03 51 22.0 | 029 | ||
| C/1915 C1 | 1915 04 18.08973 | 18 30 32.00 | -05 15 04.0 | 029 | ||
| C/1915 C1 | 1915 04 18.13439 | 18 30 35.22 | -05 15 56.3 | 008 | ||
| C/1915 C1 | 1915 04 19.16626 | 18 31 56.84 | -05 35 26.9 | 008 | ||
| C/1915 C1 | 1915 04 20.07947 | 18 33 10.80 | -05 53 27.0 | 029 | ||
| C/1915 C1 | 1915 04 22.09124 | 18 35 54.30 | -06 35 59.0 | 029 | ||
| C/1915 C1 | 1915 04 29.00435 | 18 45 45.27 | -09 37 51.2 | 008 | ||
| C/1915 C1 | 1915 04 29.13545 | 18 45 45.00 | +41 34 54.0 | 513 | ||
| C/1915 C1 | 1915 04 29.15167 | 18 45 58.25 | -09 42 00.0 | 513 | ||
| C/1915 C1 | 1915 05 05.03392 | 18 55 20.80 | -13 18 03.0 | 029 | ||
| C/1915 C1 | 1915 05 09.00581 | 19 02 30.60 | -16 27 30.0 | 029 | ||
| C/1915 C1 | 1915 05 10.03171 | 19 04 30.70 | -17 23 36.0 | 029 | ||
| C/1915 C1 | 1915 05 12.04634 | 19 08 40.90 | -19 24 05.0 | 029 |