Daily Sunspot Evaluation
Observation Details Saturday, 18 May 2013
- No
- 16818
- Date
- 2013 / 05 / 18,271
- Time
- 06:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 11
- Number of spots (f)
- 58
- Relative number (R)
- 168
- Lf
- 3
- P0
- -20.00°
- B0
- -2.29°
- L0
- 316.96°
- Observer
- Asuman GÜLTEKİN
Remarks: Hafif Sis, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 19 | 61W | 17 | 64W | 1.7 | |
| 2 | DAI – 7 | 6 | 43W | 359 | 46W | 10.1 | |
| 3 | BXO – 4 | 18 | 41W | 357 | 44W | 3.7 | |
| 4 | AX_ – 1 | 11 | 20W | 336 | 23W | - | |
| 5 | CAO – 11 | 13 | 14W | 331 | 17W | 7.1 | |
| 6 | HA_ – 5 | 13 | 18E | 300 | 15E | 1.7 | |
| 7 | CAO – 8 | 10 | 24E | 293 | 21E | 4.7 | |
| 8 | CAI – 12 | -10 | 44W | 360 | 47W | 7.6 | |
| 9 | CAO – 5 | -19 | 19W | 336 | 22W | 8.6 | |
| 10 | AX_ – 1 | -13 | 17W | 334 | 20W | - | |
| 11 | HS_ – 2 | -28 | 16W | 332 | 19W | 3.6 |