Daily Sunspot Evaluation
Observation Details Monday, 20 February 2012
- No
- 16432
- Date
- 2012 / 02 / 20,337
- Time
- 08:05 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 33
- Relative number (R)
- 103
- Lf
- 2
- P0
- -18.91°
- B0
- -7.01°
- L0
- 174.92°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 15 | 50W | 225 | 52W | 0.6 | |
| 2 | AX_ – 1 | 27 | 26W | 201 | 28W | - | |
| 3 | AX_ – 2 | 29 | 21W | 196 | 23W | 0.8 | |
| 4 | HS_ – 2 | 11 | 20W | 195 | 22W | 1.4 | |
| 5 | DAI – 22 | 15 | 01W | 176 | 03W | 6.9 | |
| 6 | AX_ – 2 | 18 | 42E | 133 | 40E | 0.7 | |
| 7 | AX_ – 2 | -16 | 38W | 213 | 40W | 1.5 |
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