Daily Sunspot Evaluation
Observation Details Thursday, 20 June 2013
- No
- 16851
- Date
- 2013 / 06 / 20,313
- Time
- 07:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 67
- Relative number (R)
- 137
- Lf
- 2
- P0
- -7.43°
- B0
- 1.65°
- L0
- 239.48°
- Observer
- Orhan GÜNEŞ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 9 | 11 | 12W | 251 | 14W | 6.9 | |
| 2 | EAO – 17 | 2 | 07E | 232 | 05E | 10.0 | |
| 3 | DAO – 24 | -21 | 15W | 254 | 17W | 9.4 | |
| 4 | HS_ – 1 | -15 | 13W | 252 | 15W | 1.5 | |
| 5 | DSO – 2 | -17 | 00E | 239 | 02W | 2.4 | |
| 6 | CKO – 13 | -27 | 19E | 220 | 17E | 7.9 | |
| 7 | ?__ – 1 | -17 | 83E | 156 | 81E | 5.8 |