Daily Sunspot Evaluation
Observation Details Thursday, 23 February 2017
- No
- 17981
- Date
- 2017 / 02 / 23,333
- Time
- 08:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 6
- Relative number (R)
- 26
- Lf
- 2
- P0
- -20.03°
- B0
- -7.11°
- L0
- 141.28°
- Observer
- Başar COŞKUNOĞLU
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 20 | 29E | 113 | 27E | - | |
| 2 | CSO – 5 | 18 | 35E | 106 | 33E | 3.4 |
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