Daily Sunspot Evaluation
Observation Details Friday, 21 July 2023
- No
- 19769
- Date
- 2023 / 07 / 21,302
- Time
- 07:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 8
- Number of spots (f)
- 62
- Relative number (R)
- 142
- Lf
- 3
- P0
- 6.23°
- B0
- 4.86°
- L0
- 227.60°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | FKO – 15 | 23 | 39.4W | 267 | 42.4W | 17.0 | |
| 2 | EAC – 20 | 9 | 18.2W | 246 | 21.2W | 14.1 | |
| 3 | CSI – 9 | 24 | 00.6E | 227 | 02.4W | 6.0 | |
| 4 | HA_ – 1 | 19 | 57.4E | 170 | 54.4E | 1.6 | |
| 5 | CAI – 6 | 15 | 60.5E | 167 | 57.5E | 18.4 | |
| 6 | CAO – 6 | -26 | 02.4W | 230 | 05.4W | 8.7 | |
| 7 | CAI – 4 | -9 | 31.9E | 197 | 28.9E | 7.4 | |
| 8 | AX_ – 1 | -42 | 60.3E | 167 | 57.3E | - |