Daily Sunspot Evaluation
Observation Details Wednesday, 18 February 2015
- No
- 17367
- Date
- 2015 / 02 / 18,403
- Time
- 09:40 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 21
- Relative number (R)
- 91
- Lf
- 1
- P0
- -18.38°
- B0
- -6.95°
- L0
- 134.52°
- Observer
- Başar COŞKUNOĞLU
Remarks: Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 1 | 13 | 55W | 189 | 56W | 01.6 | |
| 2 | HS_ – 4 | 7 | 53W | 188 | 54W | 03.1 | |
| 3 | BXI – 5 | 14 | 31E | 104 | 30E | 03.5 | |
| 4 | AX_ – 1 | 18 | 55E | 79 | 54E | - | |
| 5 | AX_ – 2 | -20 | 57W | 192 | 58W | 01.0 | |
| 6 | BXI – 7 | -8 | 29W | 164 | 30W | 04.3 | |
| 7 | AX_ – 1 | -7 | 79E | 56 | 78E | - |
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