Daily Sunspot Evaluation
Observation Details Tuesday, 18 August 2015
- No
- 17525
- Date
- 2015 / 08 / 18,243
- Time
- 05:50 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 25
- Relative number (R)
- 55
- Lf
- 3
- P0
- 16.94°
- B0
- 6.77°
- L0
- 264.96°
- Observer
- Özgecan ÖNALTAŞ
Remarks: Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 6 | 25W | 290 | 28W | - | |
| 2 | BXI – 19 | -10 | 06W | 271 | 09W | 7.9 | |
| 3 | ?__ – 5 | -14 | 75E | 190 | 72E | 8.8 |