Daily Sunspot Evaluation
Observation Sheet Friday, 9 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)
- 6
- Number of spots (f)
- 47
- Relative number (R)
- 107
- Observer
- YK
- Reading
- all checks consistent
- File
- 19921009.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 5 | 19 | 60W | 348 | 63W | 8 | 361 |
| 2 | CSI – 5 | 12 | 14W | 302 | 17W | 4.5 | 356 |
| 3 | BXO – 5 | -16 | 44W | 332 | 47W | 8 | 354 |
| 4 | DAI – 14 | -12 | 38W | 326 | 41W | 9.5 | 353 |
| 5 | CSI – 17 | -7 | 06E | 282 | 03E | 11 | 355 |
| 6 | AX – 1 | -17 | 49E | 239 | 46E | 0.5 | 360 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.