Daily Sunspot Evaluation
Observation Sheet Tuesday, 3 December 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)
- 50
- Relative number (R)
- 130
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19911203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 6 | 19 | 52E | 21 | 50E | 8.5 | 660 |
| 2 | ? – 5 | 18 | 78E | 355 | 76E | 14 | 664 |
| 3 | ? – 1 | 10 | 80E | 353 | 78E | 2 | 665 |
| 4 | AX – 4 | -13 | 68W | 141 | 70W | 2 | 656 |
| 5 | DAO – 6 | -6 | 46W | 119 | 48W | 6 | 653 |
| 6 | AX – 1 | -12 | 01E | 72 | 01W | - | 668 |
| 7 | DAI – 17 | -8 | 06E | 67 | 04E | 5 | 661 |
| 8 | CAO – 10 | -4 | 30E | 43 | 28E | 4 | 647 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.