Daily Sunspot Evaluation
Observation Details Friday, 17 February 2023
- No
- 19657
- Date
- 2023 / 02 / 17,313
- Time
- 07:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 34
- Relative number (R)
- 84
- Lf
- 2
- P0
- -18.04°
- B0
- -6.90°
- L0
- 102.00°
- Observer
- Başar COŞKUNOĞLU
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 1 | 23 | 62.2W | 164 | 64.2W | 2.3 | |
| 2 | CKI – 27 | 10 | 09.7W | 112 | 11.7W | 10.0 | |
| 3 | HS_ – 2 | 24 | 66.9E | 35 | 64.9E | 4.3 | |
| 4 | HH_ – 3 | -14 | 34.9W | 137 | 36.9W | 2.8 | |
| 5 | HS_ – 1 | -14 | 18.3W | 120 | 20.3W | 2.4 |
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