Daily Sunspot Evaluation
Observation Sheet Monday, 12 November 1990
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)
- 11
- Number of spots (f)
- 98
- Relative number (R)
- 208
- Observer
- YK
- Reading
- all checks consistent
- File
- 19901112.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKI – 18 | 15 | 25W | 152 | 28W | 15 | 517 |
| 2 | BXO – 6 | 9 | 25W | 152 | 28W | 4.5 | 523 |
| 3 | AX – 2 | 5 | 12W | 139 | 15W | 0.5 | 528 |
| 4 | EAC – 19 | 7 | 03W | 130 | 06W | 11 | 524 |
| 5 | AX – 5 | 10 | 11E | 116 | 08E | 2 | 525 |
| 6 | AX – 1 | -16 | 80W | 207 | 83W | - | 506 |
| 7 | AX – 1 | -17 | 68W | 195 | 71W | - | 510 |
| 8 | AX – 1 | -25 | 61W | 188 | 64W | - | 529 |
| 9 | AX – 1 | -28 | 14W | 141 | 17W | - | 539 |
| 10 | FKC – 39 | -32 | 02E | 125 | 01W | 15.5 | 52X |
| 11 | BXO – 5 | -22 | 30E | 97 | 21E | 8.5 | 531 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.