Daily Sunspot Evaluation
Observation Details Sunday, 19 February 2012
- No
- 16431
- Date
- 2012 / 02 / 19,372
- Time
- 08:55 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 8
- Number of spots (f)
- 22
- Relative number (R)
- 102
- Lf
- 2
- P0
- -18.61°
- B0
- -6.97°
- L0
- 187.63°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 26 | 13W | 201 | 15W | 0.6 | |
| 2 | HA_ – 1 | 28 | 09W | 197 | 11W | 1.0 | |
| 3 | HS_ – 2 | 11 | 07W | 195 | 09W | 1.5 | |
| 4 | AX_ – 1 | 31 | 06W | 194 | 08W | - | |
| 5 | BXI – 11 | 15 | 11E | 177 | 09E | 4.4 | |
| 6 | AX_ – 1 | 17 | 55E | 133 | 53E | - | |
| 7 | BXO – 2 | -24 | 73W | 261 | 75W | 5.3 | |
| 8 | AX_ – 2 | -16 | 24W | 212 | 26W | 1.8 |
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