| Name | Date/time | RA | Dec | Magnitude | Filter | Site Code |
|---|---|---|---|---|---|---|
| C/2026 H3 | 2026 05 10.00848 | 17 20 10.91 | +18 30 03.4 | 21.2 | G | G00 |
| C/2026 H3 | 2026 05 10.22309 | 17 20 00.70 | +18 30 49.4 | 21.5 | R | 691 |
| C/2026 H3 | 2026 05 10.23892 | 17 19 59.96 | +18 30 53.4 | 22.2 | R | 691 |
| C/2026 H3 | 2026 05 10.25473 | 17 19 59.19 | +18 30 56.4 | 21.8 | R | 691 |
| C/2026 H3 | 2026 05 10.97113 | 17 19 24.90 | +18 33 25.7 | M45 | ||
| C/2026 H3 | 2026 05 10.98861 | 17 19 24.08 | +18 33 28.8 | 20.9 | G | M45 |
| C/2026 H3 | 2026 05 11.00576 | 17 19 23.25 | +18 33 32.9 | 20.8 | G | M45 |
| C/2026 H3 | 2026 05 11.24769 | 17 19 11.71 | +18 34 23.2 | 21.0 | R | 291 |
| C/2026 H3 | 2026 05 11.25667 | 17 19 11.22 | +18 34 24.8 | 291 | ||
| C/2026 H3 | 2026 05 11.26565 | 17 19 10.79 | +18 34 26.8 | 291 | ||
| C/2026 H3 | 2026 05 12.50237 | 17 18 10.93 | +18 38 38.0 | 22.5 | G | T14 |
| C/2026 H3 | 2026 05 12.50357 | 17 18 10.87 | +18 38 38.2 | 22.7 | G | T14 |
| C/2026 H3 | 2026 05 12.50478 | 17 18 10.81 | +18 38 38.5 | 22.7 | G | T14 |
| C/2026 H3 | 2026 05 13.48890 | 17 17 22.78 | +18 41 52.0 | 22.2 | G | T14 |
| C/2026 H3 | 2026 05 13.49230 | 17 17 22.61 | +18 41 52.7 | 22.4 | G | T14 |
| C/2026 H3 | 2026 05 13.49460 | 17 17 22.49 | +18 41 53.2 | 22.3 | G | T14 |
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