Daily Sunspot Evaluation
Observation Details Friday, 21 April 2023
- No
- 19695
- Date
- 2023 / 04 / 21,375
- Time
- 09:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 39
- Relative number (R)
- 99
- Lf
- 2
- P0
- -25.52°
- B0
- -5.13°
- L0
- 350.51°
- Observer
- Başar COŞKUNOĞLU
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | FHI – 22 | 12 | 33.9W | 24 | 35.9W | 16.6 | |
| 2 | AX_ – 1 | -22 | 37.7W | 28 | 39.7W | - | |
| 3 | BXI – 4 | -23 | 24.7W | 15 | 26.7W | 8.8 | |
| 4 | BXI – 9 | -22 | 04.8W | 355 | 06.8W | 8.6 | |
| 5 | AX_ – 1 | -9 | 24.1E | 326 | 22.1E | - | |
| 6 | HS_ – 2 | -17 | 80.5E | 270 | 78.5E | 7.1 |