Daily Sunspot Evaluation
Observation Details Monday, 21 September 2015
- No
- 17557
- Date
- 2015 / 09 / 21,354
- Time
- 08:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 24
- Relative number (R)
- 54
- Lf
- 2
- P0
- 24.95°
- B0
- 7.09°
- L0
- 174.42°
- Observer
- Başar COŞKUNOĞLU
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 14 | 11 | 73E | 101 | 71E | 12.1 | |
| 2 | DSO – 4 | -18 | 59W | 234 | 61W | 9.3 | |
| 3 | HH_ – 6 | -14 | 26W | 200 | 28W | 3.5 |
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