Daily Sunspot Evaluation
Observation Details Wednesday, 21 December 2011
- No
- 16395
- Date
- 2011 / 12 / 21,347
- Time
- 08:20 UT
- Seeing
- 4 / 5
- Number of groups (g)
- 7
- Number of spots (f)
- 97
- Relative number (R)
- 167
- Lf
- 2
- P0
- 7.45°
- B0
- -1.65°
- L0
- 258.05°
- Observer
- Hikmet ÇAKMAK
Remarks: Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 17 | 19 | 49W | 307 | 51W | 7.7 | |
| 2 | HA_ – 6 | 20 | 44W | 302 | 46W | 3.2 | |
| 3 | AX_ – 4 | 3 | 50E | 208 | 48E | 2.0 | |
| 4 | CKO – 17 | 12 | 62E | 196 | 60E | 9.0 | |
| 5 | DAI – 22 | -17 | 05W | 263 | 07W | 6.7 | |
| 6 | CAI – 29 | -18 | 02E | 256 | 00W | 6.7 | |
| 7 | AX_ – 2 | -21 | 27E | 231 | 25E | 1.3 |
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