Daily Sunspot Evaluation
Observation Details Monday, 20 September 2021
- No
- 19281
- Date
- 2021 / 09 / 20,490
- Time
- 11:45 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 23
- Relative number (R)
- 53
- Lf
- 0
- P0
- 24.90°
- B0
- 7.10°
- L0
- 54.08°
- Observer
- Oğuzhan ÇAKIR
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CRI – 11 | 25 | 00.6E | 54 | 00.6E | 5.7 | |
| 2 | BXI – 7 | 16 | 49.8E | 4 | 49.8E | 4.1 | |
| 3 | DAI – 5 | -28 | 59E | 355 | 59E | 5.9 |
‹ Previous Report for September 2021 Images of this day Next ›