Daily Sunspot Evaluation
Observation Details Thursday, 18 July 2013
- No
- 16879
- Date
- 2013 / 07 / 18,302
- Time
- 07:15 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 9
- Number of spots (f)
- 49
- Relative number (R)
- 139
- Lf
- 3
- P0
- 5.12°
- B0
- 4.64°
- L0
- 229.25°
- Observer
- Orhan GÜNEŞ
Remarks: Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 4 | 9 | 10E | 219 | 95E | 02.7 | |
| 2 | ESI – 17 | 20 | 35E | 194 | 350E | 14.0 | |
| 3 | BXO – 6 | -13 | 43W | 272 | 434W | 04.4 | |
| 4 | BXO – 7 | -13 | 23W | 252 | 235W | 07.3 | |
| 5 | BXO – 10 | -20 | 09E | 220 | 88E | 05.9 | |
| 6 | AX_ – 1 | -22 | 18E | 211 | 179E | 00.6 | |
| 7 | BXO – 2 | -12 | 54E | 175 | 540E | 03.7 | |
| 8 | ?__ – 1 | -18 | 74E | 155 | 733E | 01.6 | |
| 9 | ?__ – 1 | -11 | 76E | 154 | 752E | 01.6 |