Daily Sunspot Evaluation
Observation Details Friday, 13 May 2011
- No
- 16201
- Date
- 2011 / 05 / 13,576
- Time
- 13:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 8
- Relative number (R)
- 48
- Lf
- 1
- P0
- -21.45°
- B0
- -2.88°
- L0
- 307.38°
- Observer
- Başar COŞKUNOĞLU
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 18 | 41W | 348 | 42W | 3.4 | |
| 2 | CRO – 3 | 11 | 13W | 320 | 14W | 10.9 | |
| 3 | AX_ – 1 | 24 | 09W | 316 | 10W | - | |
| 4 | BXO – 2 | -21 | 60W | 7 | 61W | 3.0 |