Daily Sunspot Evaluation
Observation Sheet Tuesday, 11 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)
- 10
- Number of spots (f)
- 123
- Relative number (R)
- 223
- Observer
- KA
- Reading
- all checks consistent
- File
- 19561211.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 4 | 28 | 30E | ||||
| 2 | ? – 1 | -15 | 38E | ||||
| 3 | C – 37 | -25 | 24E | ||||
| 4 | J – 1 | -17 | 7W | ||||
| 5 | B – 22 | -12 | 9W | ||||
| 6 | F – 29 | -20 | 17W | ||||
| 7 | A – 1 | -18 | 29W | ||||
| 8 | H – 2 | -24 | 15W | ||||
| 9 | C – 8 | 22 | 51W | ||||
| 10 | C – 18 | 27 | 46W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.