Daily Sunspot Evaluation
Observation Sheet Friday, 11 September 1992
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 5
- Number of spots (f)
- 27
- Relative number (R)
- 77
- Observer
- TÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920911.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 10 | 06W | 308 ⚠ | 10W | - | 322 |
| 2 | DAI – 22 | 15 | 37E | 259 | 35E | 9 | 320 |
| 3 | AX – 1 | -18 | 02W | 298 | 04W | - | 321 |
| 4 | AX – 1 | -8 | 44E | 252 | 42E | - | 323 |
| 5 | ? – 2 | -5 | 77E | 219 | 75E | 5 | 324 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.