Daily Sunspot Evaluation
Observation Sheet Monday, 11 November 1991
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)
- 8
- Number of spots (f)
- 72
- Relative number (R)
- 152
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19911111.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 6 | 19W | 21 | 21W | 0.5 | 619 |
| 2 | DAO – 12 | 21 | 11W | 13 | 15W | 8 | 614 |
| 3 | AX – 2 | 16 | 04W | 6 | 06W | 2.5 | 631 |
| 4 | DKC – 24 | 20 | 00 | 2 | 02W | 7.5 | 624 |
| 5 | CAI – 19 | 10 | 23E | 339 | 21E | 7.5 | 628 |
| 6 | ? – 3 | -17 | 80W | 82 | 82W | - | 610 |
| 7 | AX – 3 | -9 | 50W | 52 | 52W | 1 | 612 |
| 8 | HK – 7 | -12 | 46E | 316 | 44E | 7 | 610 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.