Daily Sunspot Evaluation
Observation Details Sunday, 21 September 2025
- No
- 20352
- Date
- 2025 / 09 / 21,413
- Time
- 09:55 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 13
- Number of spots (f)
- 72
- Relative number (R)
- 202
- Lf
- 1
- P0
- 25.02°
- B0
- 7.08°
- L0
- 198.47°
- Observer
- Süleyman FİŞEK
Remarks: Bulutlar Arasında, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CSI – 6 | 11 | 48.8W | 247 | 49.8W | 5.2 | |
| 2 | AX_ – 1 | 15 | 38.5W | 237 | 39.5W | - | |
| 3 | HS_ – 2 | 4 | 17.2W | 216 | 18.2W | 2.2 | |
| 4 | DHI – 7 | 10 | 22.9E | 176 | 21.9E | 4.0 | |
| 5 | HH_ – 1 | 4 | 77.2E | 121 | 76.2E | 2.5 | |
| 6 | DKC – 16 | -18 | 47.2W | 246 | 48.2W | 11.8 | |
| 7 | AX_ – 2 | -24 | 13.3W | 212 | 14.3W | 1.2 | |
| 8 | CKI – 17 | -15 | 12.4W | 211 | 13.4W | 6.0 | |
| 9 | AX_ – 2 | -19 | 02.6W | 201 | 03.6W | 1.3 | |
| 10 | DSI – 11 | -13 | 01.2E | 197 | 00.2E | 5.9 | |
| 11 | AX_ – 1 | -16 | 05.7E | 193 | 04.7E | - | |
| 12 | DSO – 2 | -17 | 62.8E | 136 | 61.8E | 3.9 | |
| 13 | DSI – 4 | -9 | 67.8E | 131 | 66.8E | 6.7 |
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