Daily Sunspot Evaluation
Observation Details Tuesday, 7 September 2021
- No
- 19270
- Date
- 2021 / 09 / 07,292
- Time
- 07:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 47
- Relative number (R)
- 87
- Lf
- 3
- P0
- 22.56°
- B0
- 7.25°
- L0
- 228.33°
- Observer
- Korhan YELKENCİ
Remarks: Görüntü Titremesi, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 8 | 25 | 20.7W | 249 | 23.7W | 10.2 | |
| 2 | HS_ – 2 | -16 | 29.7W | 258 | 32.7W | 1.9 | |
| 3 | EAC – 14 | -20 | 16.1E | 212 | 13.1E | 10.5 | |
| 4 | DAC – 23 | -16 | 31.5E | 197 | 28.5E | 7.6 |
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