Daily Sunspot Evaluation
Observation Details Tuesday, 12 February 2013
- No
- 16746
- Date
- 2013 / 02 / 12,389
- Time
- 09:20 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 5
- Number of spots (f)
- 21
- Relative number (R)
- 71
- Lf
- 1
- P0
- -16.54°
- B0
- -6.71°
- L0
- 128.84°
- Observer
- Özgecan ÖNAL
Remarks: Hafif Sis, Bulutlar Arasında
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 1 | 22 | 68W | 197 | 69W | 1.4 | |
| 2 | DSI – 12 | 17 | 32W | 161 | 33W | 9.1 | |
| 3 | BXO – 2 | 29 | 56E | 73 | 55E | 2.6 | |
| 4 | AX_ – 2 | 13 | 57E | 73 | 56E | 1.9 | |
| 5 | BXO – 4 | -17 | 36E | 93 | 35E | 3.4 |
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