Daily Sunspot Evaluation
Observation Details Thursday, 15 April 2021
- No
- 19163
- Date
- 2021 / 04 / 15,302
- Time
- 07:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 16
- Relative number (R)
- 36
- Lf
- 3
- P0
- -25.99°
- B0
- -5.59°
- L0
- 345.83°
- Observer
- Süleyman FİŞEK
Remarks: Görüntü Titremesi, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CRI – 15 | -23 | 20.6W | 6 | 23.6W | 5.6 | |
| 2 | AX_ – 1 | -21 | 01.6E | 344 | 01.4W | - |