Daily Sunspot Evaluation
Observation Sheet Saturday, 8 December 1956
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)
- 66
- Relative number (R)
- 136
- Observer
- FY
- Reading
- all checks consistent
- File
- 19561208.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | B – 3 | -11 | 30 | |
| 2 | D – 9 | -19 | 30 | |
| 3 | F – 28 | -18 | 15 | |
| 4 | H – 3 | -25 | 4 | |
| 5 | B – 5 | -17 | 40 | |
| 6 | J – 1 | 25 | 6.3 | |
| 7 | E – 17 | 26 | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.