Daily Sunspot Evaluation
Observation Sheet Monday, 12 October 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)
- 4
- Number of spots (f)
- 22
- Relative number (R)
- 62
- Observer
- HE
- Reading
- counts consistent, some coordinates doubtful
- File
- 19921012.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 10 | 06W | 307 ⚠ | 61W | 0.5 | 356 |
| 2 | ? – 1 | -11 | 80W | 325 | 79W | - | 353 |
| 3 | ? – 4 | -17 | 79W | 324 | 78W | - | 354 |
| 4 | CRO – 15 | -8 | 40W | 285 | 39W | 4.5 | 355 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.