Daily Sunspot Evaluation
Observation Details Wednesday, 22 February 2017
- No
- 17980
- Date
- 2017 / 02 / 22,458
- Time
- 11:00 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 17
- Relative number (R)
- 27
- Lf
- 1
- P0
- -19.77°
- B0
- -7.09°
- L0
- 152.80°
- Observer
- Ö.ÖNALTAŞ=S.F.
Remarks: Bulutlar Arasında, Yoğun Bulutlu
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | ESC – 17 | 19 | 43E | 110 | 42E | 11.0 |
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