Daily Sunspot Evaluation
Observation Details Monday, 17 August 2026
- No
- 20543
- Date
- 2026 / 08 / 17,341
- Time
- 08:11 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 33
- Relative number (R)
- 73
- Lf
- 2
- P0
- 16.74°
- B0
- 6.74°
- L0
- 164.15°
- Observer
- Melike ERYILMAZ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 5 | 11 | 57.3W | 221 | 59.3W | 3.7 | |
| 2 | DSI – 4 | 11 | 46.5W | 211 | 48.5W | 6.6 | |
| 3 | EKI – 18 | 3 | 30.7W | 195 | 32.7W | 13.1 | |
| 4 | HS_ – 6 | 10 | 01.4E | 163 | 00.6W | 5.7 |