Daily Sunspot Evaluation
Observation Details Monday, 17 April 2023
- No
- 19691
- Date
- 2023 / 04 / 17,410
- Time
- 09:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 8
- Number of spots (f)
- 31
- Relative number (R)
- 111
- Lf
- 1
- P0
- -25.87°
- B0
- -5.46°
- L0
- 42.88°
- Observer
- Ergün EGE
Remarks: Yoğun Bulutlu, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 19 | 20.9W | 64 | 21.9W | 00.9 | |
| 2 | ESI – 12 | 11 | 18.5E | 24 | 17.5E | 14.8 | |
| 3 | HR_ – 1 | -8 | 78.4W | 121 | 79.4W | 01.8 | |
| 4 | AX_ – 2 | -25 | 53.4W | 96 | 54.4W | 01.3 | |
| 5 | AX_ – 1 | -20 | 00.2E | 43 | 00.8W | 00.9 | |
| 6 | CSO – 2 | -21 | 12.2E | 31 | 11.2E | 05.2 | |
| 7 | CAI – 9 | -23 | 25.8E | 18 | 24.8E | 12.6 | |
| 8 | AX_ – 3 | -22 | 41.5E | 1 | 40.5E | 02.4 |