Daily Sunspot Evaluation
Observation Details Monday, 21 February 2011
- No
- 16151
- Date
- 2011 / 02 / 21,382
- Time
- 09:10 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 4
- Number of spots (f)
- 35
- Relative number (R)
- 75
- Lf
- 2
- P0
- -19.31°
- B0
- -7.05°
- L0
- 298.72°
- Observer
- K.YELKENCİ+H.Ç.
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 8 | 18 | 37W | 336 | 39W | 5.4 | |
| 2 | DAI – 20 | 11 | 35W | 334 | 37W | 7.6 | |
| 3 | BXI – 5 | 12 | 29W | 328 | 31W | 2.6 | |
| 4 | AX_ – 2 | 11 | 23W | 322 | 25W | 1.1 |
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