Open Access
Table 2.
Log of observations.
| Date | Filter | Exposure | Airmass | Seeing |
|---|---|---|---|---|
| yy/mm/dd | time s | arcsec | ||
| J0312 | ||||
| 2023/10/10 | g′ | 200 × 18 | 1.3–1.4 | 0.6−0.9 |
| r′ | 180 × 20 | |||
| 2023/10/11 | r′ | 180 × 18 | 1.3–1.6 | 0.7–0.8 |
| i′ | 120 × 18 | |||
| J1627 | ||||
| 2024/07/29 | us | 121.6 × 126 | 1.0–2.0 | 0.7–2.5 |
| gs | 60.8 × 252 | |||
| rs | 60.8 × 252 | |||
| is | 60.8 × 252 | |||
| zs | 121.6 × 126 | |||
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