Daily Sunspot Evaluation
Observation Details Thursday, 20 May 2021
- No
- 19175
- Date
- 2021 / 05 / 20,309
- Time
- 07:25 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 7
- Relative number (R)
- 27
- Lf
- 3
- P0
- -19.36°
- B0
- -2.06°
- L0
- 243.14°
- Observer
- Süleyman FİŞEK
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CHI – 4 | 19 | 49.3E | 194 | 46.3E | 4.3 | |
| 2 | ?__ – 3 | -16 | 13.1E | 230 | 10.1E | 1.6 |