Daily Sunspot Evaluation
Observation Details Wednesday, 1 February 2017
- No
- 17968
- Date
- 2017 / 02 / 01,420
- Time
- 10:05 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 18
- Relative number (R)
- 58
- Lf
- 1
- P0
- -12.40°
- B0
- -6.06°
- L0
- 69.83°
- Observer
- Özgecan ÖNALTAŞ
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 1 | 15 | 42W | 111 | 43W | 1.5 | |
| 2 | DSI – 15 | 15 | 13W | 83 | 14W | 5.5 | |
| 3 | AX_ – 1 | -5 | 45W | 115 | 46W | - | |
| 4 | AX_ – 1 | -4 | 41W | 111 | 42W | - |
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