Daily Sunspot Evaluation
Observation Sheet Friday, 2 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)
- 7
- Number of spots (f)
- 58
- Relative number (R)
- 128
- Observer
- AK
- Reading
- all checks consistent
- File
- 19601202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 7 | 16 | 16E | ||||
| 2 | A – 2 | 25 | 67E | ||||
| 3 | H – 18 | -8 | 16E | ||||
| 4 | B – 2 | 9 | 40W | ||||
| 5 | B – 5 | 10 | 31W | ||||
| 6 | D – 18 | 14 | 31W | ||||
| 7 | B – 6 | 10 | 12W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.