Daily Sunspot Evaluation
Observation Details Tuesday, 19 May 2015
- No
- 17435
- Date
- 2015 / 05 / 19,517
- Time
- 12:25 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 9
- Relative number (R)
- 49
- Lf
- 0
- P0
- -19.77°
- B0
- -2.21°
- L0
- 25.37°
- Observer
- Başar COŞKUNOĞLU
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 2 | 18 | 68W | 94 | 68W | 01.9 | |
| 2 | AX_ – 2 | -20 | 73W | 99 | 73W | 01.8 | |
| 3 | AX_ – 1 | -10 | 44W | 69 | 44W | - | |
| 4 | HS_ – 4 | -10 | 03E | 23 | 03E | 01.9 |