Daily Sunspot Evaluation
Observation Details Wednesday, 28 April 2021
- No
- 19170
- Date
- 2021 / 04 / 28,396
- Time
- 09:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 10
- Relative number (R)
- 40
- Lf
- 1
- P0
- -24.53°
- B0
- -4.43°
- L0
- 172.67°
- Observer
- Ergün EGE
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 5 | -22 | 45.5W | 218 | 46.5W | 10.6 | |
| 2 | DAI – 4 | -23 | 34.9W | 208 | 35.9W | 9.9 | |
| 3 | HS_ – 1 | -16 | 29.1W | 202 | 30.1W | 1.0 |