Daily Sunspot Evaluation
Observation Sheet Tuesday, 10 November 1981
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)
- 12
- Number of spots (f)
- 65
- Relative number (R)
- 185
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19811110.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 12 | 2 | 14E | 324 | 11E | 8 | |
| 2 | DKC – 12 | 17 | 15E | 323 | 12E | 8.5 | |
| 3 | BXO – 2 | 15 | 23E | 315 | 20E | 4.5 | |
| 4 | HHX – 1 | 16 | 58E | 280 | 55E | 3 | |
| 5 | ? – 10 | -9 | 75W | 53 | 78W | ||
| 6 | HSX – 1 | -5 | 29W | 7 | 32W | 2 | |
| 7 | HKX – 3 | -15 | 29W | 7 | 32W | 3 | |
| 8 | AXX – 1 | -20 | 13W | 351 | 16W | ||
| 9 | DKI – 17 | -20 | 05E | 333 | 02E | 10 | |
| 10 | ARX – 3 | -20 | 17E | 321 | 14E | 1 | |
| 11 | ARX – 1 | -11 | 63E | 275 | 60E | ||
| 12 | AXX – 2 | -15 | 65E | 273 | 62E | 1.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.