Daily Sunspot Evaluation
Observation Sheet Tuesday, 25 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)
- 94
- Relative number (R)
- 194
- Observer
- WG
- Reading
- all checks consistent
- File
- 19561225.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 22 | 16 | 12E | ||||
| 2 | B – 11 | 20 | 24E | ||||
| 3 | C – 8 | 34 | 55E | ||||
| 4 | G – 17 | -16 | 0 | ||||
| 5 | A – 1 | -42 | 30W | ||||
| 6 | B – 5 | -22 | 33W | ||||
| 7 | D – 8 | -26 | 48W | ||||
| 8 | D – 13 | 14 | 58W | ||||
| 9 | D – 8 | 14 | 26W | ||||
| 10 | A – 1 | 33 | 41W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.