Daily Sunspot Evaluation
Observation Sheet Saturday, 3 December 1960
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)
- 10
- Number of spots (f)
- 49
- Relative number (R)
- 149
- Observer
- SG
- Reading
- all checks consistent
- File
- 19601203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 16 | 6E | ||||
| 2 | A – 1 | 24 | 55E | ||||
| 3 | A – 1 | 15 | 50E | ||||
| 4 | ? – 2 | -15 | 78E | ||||
| 5 | H – 11 | -8 | 5E | ||||
| 6 | B – 2 | -2 | 43W | ||||
| 7 | D – 11 | 9 | 45W | ||||
| 8 | B – 5 | 9 | 28W | ||||
| 9 | D – 11 | 15 | 43W | ||||
| 10 | A – 3 | 14 | 21W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.