Daily Sunspot Evaluation
Observation Details Saturday, 21 April 2018
- No
- 18336
- Date
- 2018 / 04 / 21,340
- Time
- 08:10 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 2
- Number of spots (f)
- 30
- Relative number (R)
- 50
- Lf
- 2
- P0
- -25.50°
- B0
- -5.11°
- L0
- 331.96°
- Observer
- H.ÇAKMAK=B.C.
Remarks: Görüntü Titremesi, Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 10 | 3 | 54.1E | 278 | 52.1E | 9.7 | |
| 2 | AX_ – 20 | -9 | 38.8E | 293 | 36.8E | 2.2 |