Daily Sunspot Evaluation
Observation Details Sunday, 25 June 2017
- No
- 18087
- Date
- 2017 / 06 / 25,378
- Time
- 09:05 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 1
- Number of spots (f)
- 9
- Relative number (R)
- 19
- Lf
- 2
- P0
- -5.17°
- B0
- 2.23°
- L0
- 329.21°
- Observer
- Başar COŞKUNOĞLU
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CSI – 9 | 20 | 16E | 314 | 14E | 6.9 |