Daily Sunspot Evaluation
Observation Details Friday, 16 April 2021
- No
- 19164
- Date
- 2021 / 04 / 16,406
- Time
- 09:45 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 5
- Relative number (R)
- 25
- Lf
- 1
- P0
- -25.91°
- B0
- -5.50°
- L0
- 331.25°
- Observer
- Başar COŞKUNOĞLU
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | -19 | 64.5E | 267 | 63.5E | - | |
| 2 | BXO – 4 | -22 | 69E | 262 | 68E | 4.6 |