Daily Sunspot Evaluation
Observation Details Thursday, 16 May 2013
- No
- 16816
- Date
- 2013 / 05 / 16,306
- Time
- 07:20 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 13
- Number of spots (f)
- 140
- Relative number (R)
- 270
- Lf
- 2
- P0
- -20.56°
- B0
- -2.51°
- L0
- 342.80°
- Observer
- Korhan YELKENCİ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 8 | 21 | 29W | 12 | 31W | 10.3 | |
| 2 | CAI – 13 | 17 | 16W | 359 | 18W | 5.1 | |
| 3 | CAO – 19 | 5 | 15W | 358 | 17W | 10.4 | |
| 4 | AX_ – 4 | 11 | 07E | 336 | 05E | 0.8 | |
| 5 | DKI – 21 | 13 | 13E | 330 | 11E | 9.7 | |
| 6 | HA_ – 7 | 12 | 46E | 297 | 44E | 2.7 | |
| 7 | CAO – 16 | 11 | 52E | 291 | 50E | 5.5 | |
| 8 | CRO – 9 | -22 | 42W | 25 | 44W | 5.5 | |
| 9 | CAI – 11 | -10 | 16W | 359 | 18W | 5.6 | |
| 10 | AX_ – 3 | -12 | 02W | 345 | 04W | 0.8 | |
| 11 | CAO – 10 | -18 | 07E | 337 | 05E | 8.0 | |
| 12 | CSI – 13 | -29 | 12E | 331 | 10E | 6.8 | |
| 13 | AX_ – 6 | -24 | 22E | 321 | 20E | 2.9 |