Daily Sunspot Evaluation
Observation Details Tuesday, 4 April 2017
- No
- 18012
- Date
- 2017 / 04 / 04,580
- Time
- 13:55 UT
- Seeing
- 2 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 24
- Relative number (R)
- 54
- Lf
- 1
- P0
- -26.25°
- B0
- -6.34°
- L0
- 330.78°
- Observer
- Hikmet ÇAKMAK
Remarks: Bulutlar Arasında, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 3 | 15 | 66W | 36 | 67W | 3.3 | |
| 2 | EAC – 17 | -10 | 45W | 16 | 46W | 14.9 | |
| 3 | BXO – 4 | -3 | 42E | 288 | 41E | 6.9 |