Daily Sunspot Evaluation
Observation Details Friday, 31 October 2025
- No
- 20377
- Date
- 2025 / 10 / 31,375
- Time
- 09:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 5
- Relative number (R)
- 45
- Lf
- 2
- P0
- 24.55°
- B0
- 4.45°
- L0
- 31.28°
- Observer
- Ergün EGE
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 18 | 55.6W | 87 | 57.6W | 1.6 | |
| 2 | HS_ – 2 | 6 | 28.2W | 60 | 30.2W | 2.5 | |
| 3 | AX_ – 1 | -5 | 70.5W | 102 | 72.5W | 2.4 | |
| 4 | AX_ – 1 | -11 | 31.3W | 63 | 33.3W | 0.6 |
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