Daily Sunspot Evaluation
Observation Details Sunday, 28 April 2013
- No
- 16800
- Date
- 2013 / 04 / 28,344
- Time
- 08:16 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 60
- Relative number (R)
- 110
- Lf
- 2
- P0
- -24.56°
- B0
- -4.43°
- L0
- 220.41°
- Observer
- Başar COŞKUNOĞLU
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | HS_ – 2 | 19 | 09E | 211 | 07E | 1.0 | |
| 2 | DSC – 34 | 11 | 34E | 186 | 32E | 9.5 | |
| 3 | HS_ – 3 | -18 | 33W | 253 | 35W | 1.2 | |
| 4 | DSC – 17 | -17 | 03E | 217 | 01E | 8.2 | |
| 5 | HS_ – 4 | -17 | 68E | 152 | 66E | 4.1 |