Daily Sunspot Evaluation
Observation Details Sunday, 21 April 2013
- No
- 16793
- Date
- 2013 / 04 / 21,465
- Time
- 11:10 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 75
- Relative number (R)
- 135
- Lf
- 0
- P0
- -25.47°
- B0
- -5.07°
- L0
- 311.29°
- Observer
- H.ÇAKMAK-O.G.
Remarks: Görüntü Titremesi, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 9 | 74W | 25 | 74W | - | |
| 2 | AX_ – 3 | 12 | 27W | 338 | 27W | 00.6 | |
| 3 | EKI – 59 | 12 | 14W | 325 | 14W | 12.3 | |
| 4 | CAO – 5 | 25 | 39E | 272 | 39E | 08.6 | |
| 5 | HA_ – 4 | -18 | 52W | 3 | 52W | 02.0 | |
| 6 | AX_ – 3 | -25 | 47W | 358 | 47W | 03.0 |