Daily Sunspot Evaluation
Observation Sheet Saturday, 24 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)
- 4
- Number of spots (f)
- 11
- Relative number (R)
- 51
- Observer
- AB
- Reading
- all checks consistent
- File
- 19601224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 2 | 14 | 35E | ||||
| 2 | ? – 2 | -9 | 83E | ||||
| 3 | D – 5 | -22 | 50W | ||||
| 4 | A – 2 | 10 | 57W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.