Daily Sunspot Evaluation
Observation Details Sunday, 13 April 2025
- No
- 20223
- Date
- 2025 / 04 / 13,285
- Time
- 06:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 55
- Relative number (R)
- 115
- Lf
- 3
- P0
- -26.09°
- B0
- -5.75°
- L0
- 169.03°
- Observer
- Korhan YELKENCİ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 7 | 17 | 68.0W | 236 | 71.0W | 7.4 | |
| 2 | EKC – 20 | 9 | 66.6W | 235 | 69.6W | 13.2 | |
| 3 | CAI – 7 | 18 | 04.1W | 173 | 07.1W | 4.8 | |
| 4 | CAI – 17 | 6 | 32.9E | 136 | 29.9E | 8.5 | |
| 5 | AX_ – 1 | -18 | 23.4W | 192 | 26.4W | - | |
| 6 | HS_ – 3 | -7 | 11.0W | 179 | 14.0W | 1.0 |