Daily Sunspot Evaluation
Observation Details Wednesday, 25 August 2021
- No
- 19257
- Date
- 2021 / 08 / 25,427
- Time
- 10:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 17
- Relative number (R)
- 37
- Lf
- 1
- P0
- 19.31°
- B0
- 7.04°
- L0
- 38.27°
- Observer
- Başar COŞKUNOĞLU
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 4 | 20 | 28.3E | 10 | 27.3E | 3.1 | |
| 2 | DSI – 13 | -28 | 36.6E | 2 | 35.6E | 5.9 |