Daily Sunspot Evaluation
Observation Details Saturday, 18 February 2023
- No
- 19658
- Date
- 2023 / 02 / 18,431
- Time
- 10:20 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 21
- Relative number (R)
- 91
- Lf
- 1
- P0
- -18.40°
- B0
- -6.95°
- L0
- 87.28°
- Observer
- Ergün EGE
Remarks: Bulutlar Arasında, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 23 | 75.9W | 163 | 76.9W | 2.2 | |
| 2 | ESI – 8 | 10 | 25.5W | 113 | 26.5W | 10.5 | |
| 3 | CSI – 5 | 25 | 55.5E | 32 | 54.5E | 7.8 | |
| 4 | BXO – 4 | -21 | 65.2W | 152 | 66.2W | 7.9 | |
| 5 | HS_ – 1 | -13 | 50.9W | 138 | 51.9W | 2.0 | |
| 6 | HS_ – 1 | -14 | 33.5W | 121 | 34.5W | 2.1 | |
| 7 | HR_ – 1 | -23 | 81.6E | 6 | 80.6E | 1.7 |
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