Daily Sunspot Evaluation
Observation Sheet Sunday, 4 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)
- 11
- Number of spots (f)
- 62
- Relative number (R)
- 172
- Observer
- SG
- Reading
- all checks consistent
- File
- 19601204.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 22 | 38E | ||||
| 2 | ? – 1 | 28 | 84E | ||||
| 3 | H – 3 | -14 | 65E | ||||
| 4 | A – 1 | -14 | 10E | ||||
| 5 | B – 8 | -9 | 2E | ||||
| 6 | H – 9 | -9 | 11W | ||||
| 7 | A – 2 | 5 | 47W | ||||
| 8 | D – 14 | 8 | 59W | ||||
| 9 | E – 18 | 15 | 56W | ||||
| 10 | B – 4 | 12 | 35W | ||||
| 11 | A – 1 | 10 | 8W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.