| Sunspot Observation | ||||||||||||||
| Nayoro Observatory | ||||||||||||||
| 128mm Refractor Canon EOS7D Herschel Prism+G540nm Filter | ||||||||||||||
| Observer Fumitake Watanabe | ||||||||||||||
| Jun,2021 | ||||||||||||||
| Date Time(UT) | North | South | Total | Seeing | memo | |||||||||
| Day | h | m | g | f | R | g | f | R | g | f | R | |||
| 1 | 02 | 52 | 1 | 7 | 17 | 0 | 0 | 0 | 1 | 7 | 17 | 3 | AM(休館日) | |
| 2 | 03 | 26 | 1 | 7 | 17 | 1 | 1 | 11 | 2 | 8 | 28 | 3 | ||
| 3 | 03 | 25 | 1 | 4 | 14 | 1 | 2 | 12 | 2 | 6 | 26 | 2 | ||
| 4 | ||||||||||||||
| 5 | 03 | 32 | 2 | 5 | 25 | 1 | 6 | 16 | 3 | 11 | 41 | 4 | ||
| 6 | 03 | 23 | 1 | 2 | 12 | 2 | 5 | 25 | 3 | 7 | 37 | 4 | ||
| 7 | 04 | 10 | 3 | 3 | 33 | 2 | 17 | 37 | 5 | 20 | 70 | 4 | ||
| 8 | 06 | 30 | 0 | 0 | 0 | 2 | 8 | 28 | 2 | 8 | 28 | 4 | (休日) | |
| 9 | 03 | 33 | 0 | 0 | 0 | 1 | 8 | 18 | 1 | 8 | 18 | 3 | ||
| 10 | 03 | 29 | 1 | 6 | 16 | 1 | 5 | 15 | 2 | 11 | 31 | 5 | ||
| 11 | 03 | 25 | 1 | 3 | 13 | 1 | 1 | 11 | 2 | 4 | 24 | 4 | ||
| 12 | ||||||||||||||
| 13 | 02 | 21 | 2 | 3 | 23 | 0 | 0 | 0 | 2 | 3 | 23 | 3 | AM(休日) | |
| 14 | 3 | |||||||||||||
| 15 | 06 | 49 | 1 | 1 | 11 | 0 | 0 | 0 | 1 | 1 | 11 | 3 | (休日) | |
| 16 | 03 | 22 | 1 | 1 | 11 | 0 | 0 | 0 | 1 | 1 | 11 | 4 | ||
| 17 | 03 | 28 | 1 | 4 | 14 | 0 | 0 | 0 | 1 | 4 | 14 | 4 | ||
| 18 | 05 | 10 | 2 | 3 | 23 | 0 | 0 | 0 | 2 | 3 | 23 | 3 | ||
| 19 | 01 | 26 | 1 | 1 | 11 | 0 | 0 | 0 | 1 | 1 | 11 | 1 | AM(休日) | |
| 20 | ||||||||||||||
| 21 | 00 | 09 | 1 | 4 | 14 | 0 | 0 | 0 | 1 | 4 | 14 | 4 | AM(休館日) | |
| 22 | 00 | 02 | 1 | 2 | 12 | 0 | 0 | 0 | 1 | 2 | 12 | 4 | AM | |
| 22 | 22 | 52 | 1 | 4 | 14 | 0 | 0 | 0 | 1 | 4 | 14 | 5 | AM(休日) | |
| 24 | 05 | 29 | 1 | 1 | 11 | 0 | 0 | 0 | 1 | 1 | 11 | 3 | ||
| 25 | 04 | 45 | 1 | 1 | 11 | 1 | 3 | 13 | 2 | 4 | 24 | 3 | ||
| 26 | 03 | 25 | 0 | 0 | 0 | 1 | 6 | 16 | 1 | 6 | 16 | 5 | ||
| 27 | 03 | 29 | 0 | 0 | 0 | 2 | 12 | 32 | 2 | 12 | 32 | 5 | ||
| 28 | 00 | 43 | 1 | 1 | 11 | 2 | 15 | 35 | 3 | 16 | 46 | 5 | AM(休館日) | |
| 28 | 23 | 38 | 1 | 1 | 11 | 2 | 31 | 51 | 3 | 32 | 62 | 5 | AM(休館日) | |
| 30 | 00 | 52 | 1 | 3 | 13 | 2 | 22 | 42 | 3 | 25 | 55 | 3 | AM | |
| Total | 27 | 67 | 337 | 22 | 142 | 362 | 49 | 209 | 699 | R=k(10g+f) | ||||
| Mean | 13.0 | 13.9 | 26.9 | k=1 | ||||||||||
| obs day | 26 | |||||||||||||