Daily Sunspot Evaluation
Observation Details Friday, 21 April 2017
- No
- 18026
- Date
- 2017 / 04 / 21,286
- Time
- 06:52 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 3
- Number of spots (f)
- 12
- Relative number (R)
- 42
- Lf
- 3
- P0
- -25.48°
- B0
- -5.09°
- L0
- 110.22°
- Observer
- T.YONTAN=K.Y.
Remarks: Görüntü Titremesi, Bulutlar Arasında, Kenar Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DSI – 10 | 12 | 40E | 70 | 37E | 4.7 | |
| 2 | AX_ – 1 | 13 | 55E | 55 | 52E | - | |
| 3 | HS_ – 1 | -9 | 84E | 27 | 81E | 4.5 |