| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/1913 Y1 | 1913 12 25.90115 | 03 00 55.63 | -06 17 19.2 | 11.0 | T | 020 |
| C/1913 Y1 | 1913 12 26.89697 | 03 00 08.77 | -06 10 31.8 | 10.5 | T | 020 |
| C/1913 Y1 | 1914 03 19.79037 | 02 55 19.86 | +07 25 20.2 | 020 | ||
| C/1913 Y1 | 1914 07 11.12656 | 05 15 05.15 | +32 14 03.2 | 008 | ||
| C/1913 Y1 | 1914 07 23.15237 | 05 43 19.03 | +35 49 00.7 | 008 | ||
| C/1913 Y1 | 1914 08 01.15657 | 06 08 32.09 | +38 41 38.7 | 008 | ||
| C/1913 Y1 | 1914 08 26.14584 | 07 49 43.26 | +46 47 46.9 | 008 | ||
| C/1913 Y1 | 1914 09 19.17863 | 10 31 33.86 | +48 55 38.5 | 008 | ||
| C/1913 Y1 | 1914 09 24.19733 | 11 09 38.83 | +47 33 09.5 | 008 | ||
| C/1913 Y1 | 1914 10 06.19770 | 12 32 57.70 | +41 27 57.2 | 008 | ||
| C/1913 Y1 | 1914 10 09.21030 | 12 51 11.05 | +39 27 19.7 | 008 | ||
| C/1913 Y1 | 1915 02 18.23238 | 17 46 19.07 | -26 10 26.0 | 008 | ||
| C/1913 Y1 | 1915 02 22.23185 | 17 49 25.10 | -27 24 34.3 | 008 | ||
| C/1913 Y1 | 1915 02 28.22790 | 17 53 24.65 | -29 17 07.0 | 008 | ||
| C/1913 Y1 | 1915 03 01.22723 | 17 53 59.78 | -29 35 58.6 | 008 | ||
| C/1913 Y1 | 1915 03 04.22724 | 17 55 36.70 | -30 33 24.8 | 008 | ||
| C/1913 Y1 | 1915 04 02.18227 | 17 56 42.22 | -40 23 02.4 | 008 | ||
| C/1913 Y1 | 1915 04 05.17988 | 17 54 57.68 | -41 27 00.6 | 008 | ||
| C/1913 Y1 | 1915 05 30.75605 | 16 07 27.62 | -55 26 48.5 | 051 | ||
| C/1913 Y1 | 1915 06 01.75766 | 16 02 23.67 | -55 32 39.0 | 051 | ||
| C/1913 Y1 | 1915 06 10.81778 | 15 41 08.86 | -55 39 18.3 | 051 | ||
| C/1913 Y1 | 1915 07 05.74948 | 15 02 26.85 | -54 14 20.0 | 051 | ||
| C/1913 Y1 | 1915 07 19.78223 | 14 53 37.79 | -53 11 09.8 | 051 |