Daily Sunspot Evaluation
Observation Details Sunday, 18 August 2013
- No
- 16910
- Date
- 2013 / 08 / 18,309
- Time
- 07:25 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 9
- Number of spots (f)
- 27
- Relative number (R)
- 117
- Lf
- 3
- P0
- 17.12°
- B0
- 6.79°
- L0
- 179.20°
- Observer
- Asuman GÜLTEKİN
Remarks: Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 3 | 16 | 01W | 180 | 04W | 1.2 | |
| 2 | AX_ – 1 | 8 | 31E | 148 | 28E | - | |
| 3 | CAO – 4 | -20 | 60W | 239 | 63W | 12.2 | |
| 4 | CKO – 5 | -5 | 37W | 216 | 40W | 5.5 | |
| 5 | DAO – 7 | -14 | 15W | 194 | 18W | 5.2 | |
| 6 | AX_ – 1 | -15 | 03W | 182 | 06W | - | |
| 7 | AX_ – 3 | -12 | 08E | 171 | 05E | 1.2 | |
| 8 | HS_ – 2 | -8 | 40E | 139 | 37E | 1.5 | |
| 9 | ?__ – 1 | -18 | 79E | 100 | 76E | 2.8 |