Daily Sunspot Evaluation
Observation Details Saturday, 17 September 2011
- No
- 16324
- Date
- 2011 / 09 / 17,285
- Time
- 06:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 8
- Number of spots (f)
- 68
- Relative number (R)
- 148
- Lf
- 3
- P0
- 24.35°
- B0
- 7.18°
- L0
- 71.57°
- Observer
- Başar COŞKUNOĞLU
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HH_ – 4 | 28 | 54W | 126 | 57W | 4.3 | |
| 2 | AX_ – 3 | 11 | 06W | 78 | 09W | 1.1 | |
| 3 | BXI – 9 | 14 | 17E | 56 | 14E | 5.8 | |
| 4 | DHI – 24 | 21 | 17E | 55 | 14E | 9.0 | |
| 5 | AX_ – 1 | 15 | 26E | 46 | 23E | - | |
| 6 | CSC – 14 | 23 | 33E | 40 | 30E | 6.2 | |
| 7 | BXI – 4 | -6 | 70W | 142 | 73W | 6.0 | |
| 8 | BXI – 9 | -20 | 07E | 66 | 04E | 7.0 |
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