Daily Sunspot Evaluation
Observation Details Thursday, 17 September 2015
- No
- 17553
- Date
- 2015 / 09 / 17,326
- Time
- 07:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 60
- Relative number (R)
- 100
- Lf
- 2
- P0
- 24.36°
- B0
- 7.18°
- L0
- 227.59°
- Observer
- Korhan YELKENCİ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 13 | 12 | 33E | 195 | 31E | 5.6 | |
| 2 | AX_ – 1 | -9 | 18W | 246 | 20W | - | |
| 3 | EAC – 38 | -20 | 04W | 232 | 06W | 12.2 | |
| 4 | CHI – 8 | -14 | 29E | 198 | 27E | 6.8 |
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