Daily Sunspot Evaluation
Observation Details Friday, 21 September 2012
- No
- 16630
- Date
- 2012 / 09 / 21,521
- Time
- 12:30 UT
- Seeing
- 3 / 5
- Number of groups (g)
- 9
- Number of spots (f)
- 27
- Relative number (R)
- 117
- Lf
- 0
- P0
- 25.07°
- B0
- 7.06°
- L0
- 224.89°
- Observer
- H.ÇAKMAK-O.G.
Remarks: Bulutlar Arasında, Görüntü Titremesi
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | NOAA |
|---|---|---|---|---|---|---|---|
| 1 | AX_ – 2 | 2 | 04E | 221 | 04E | 0.8 | |
| 2 | AX_ – 2 | 19 | 09E | 216 | 09E | 0.4 | |
| 3 | CKI – 10 | 8 | 45E | 180 | 45E | 12.0 | |
| 4 | AX_ – 3 | 20 | 61E | 164 | 61E | 3.1 | |
| 5 | HH_ – 1 | -12 | 75W | 300 | 75W | 3.1 | |
| 6 | ?__ – 1 | -22 | 73W | 298 | 73W | 1.6 | |
| 7 | HA_ – 1 | -25 | 72W | 297 | 72W | 1.9 | |
| 8 | BXO – 3 | -14 | 52W | 277 | 52W | 5.1 | |
| 9 | CSI – 4 | -21 | 51E | 174 | 51E | 6.5 |
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