Daily Sunspot Evaluation
Observation Details Sunday, 15 August 2021
- No
- 19247
- Date
- 2021 / 08 / 15,365
- Time
- 08:45 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 5
- Relative number (R)
- 25
- Lf
- 2
- P0
- 16.16°
- B0
- 6.66°
- L0
- 171.25°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 15 | 64.9W | 236 | 66.9W | - | |
| 2 | BXO – 4 | 18 | 02.9W | 174 | 04.9W | 4.3 |