Daily Sunspot Evaluation
Observation Details Tuesday, 21 October 2025
- No
- 20369
- Date
- 2025 / 10 / 21,319
- Time
- 07:40 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 9
- Number of spots (f)
- 21
- Relative number (R)
- 111
- Lf
- 2
- P0
- 25.79°
- B0
- 5.38°
- L0
- 163.88°
- Observer
- Korhan YELKENCİ
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 2 | 11 | 10.1W | 174 | 12.1W | 2.8 | |
| 2 | BXI – 4 | 7 | 05.3W | 169 | 07.3W | 4.3 | |
| 3 | HS_ – 1 | -14 | 45.8W | 209 | 47.8W | 3.2 | |
| 4 | AX_ – 2 | -7 | 43.6W | 207 | 45.6W | 1.2 | |
| 5 | AX_ – 2 | -15 | 08.4E | 156 | 06.4E | 0.6 | |
| 6 | CAO – 3 | -13 | 30.3E | 134 | 28.3E | 3.1 | |
| 7 | CAI – 2 | -8 | 31.9E | 132 | 29.9E | 6.6 | |
| 8 | AX_ – 1 | -9 | 42.2E | 122 | 40.2E | - | |
| 9 | CAI – 4 | -6 | 61.9E | 102 | 59.9E | 3.3 |
‹ Previous Report for October 2025 Images of this day Next ›