Daily Sunspot Evaluation
Observation Details Tuesday, 18 May 2021
- No
- 19173
- Date
- 2021 / 05 / 18,375
- Time
- 09:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 3
- Relative number (R)
- 33
- Lf
- 2
- P0
- -19.94°
- B0
- -2.28°
- L0
- 268.72°
- Observer
- Oğuzhan ÇAKIR
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 1 | 17 | 65.4W | 334 | 67.4W | 1.7 | |
| 2 | AX_ – 1 | 24 | 10.9W | 280 | 12.9W | 0.6 | |
| 3 | HS_ – 1 | 19 | 74.1E | 195 | 72.1E | 4.1 |