Daily Sunspot Evaluation
Observation Details Tuesday, 19 February 2013
- No
- 16750
- Date
- 2013 / 02 / 19,382
- Time
- 09:10 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 6
- Number of spots (f)
- 95
- Relative number (R)
- 155
- Lf
- 2
- P0
- -18.85°
- B0
- -7.00°
- L0
- 36.76°
- Observer
- Özgecan ÖNAL
Remarks: Hafif Sis
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | CSI – 4 | 16 | 37W | 74 | 39W | 3.4 | |
| 2 | CSI – 35 | 10 | 32W | 69 | 34W | 6.8 | |
| 3 | CSI – 7 | 13 | 01E | 36 | 01W | 7.7 | |
| 4 | BXI – 46 | -10 | 27E | 10 | 25E | 8.1 | |
| 5 | HS_ – 1 | -18 | 47E | 350 | 45E | 1.5 | |
| 6 | AX_ – 2 | -14 | 53E | 345 | 51E | - |
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