Daily Sunspot Evaluation
Observation Sheet Friday, 26 December 1958
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)
- 13
- Number of spots (f)
- 164
- Relative number (R)
- 294
- Observer
- AK
- Reading
- all checks consistent
- File
- 19581226.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 23 | 16E | ||||
| 2 | C – 22 | 13 | 29E | ||||
| 3 | C – 14 | 20 | 4+E | ||||
| 4 | C – 18 | 7 | 53E | ||||
| 5 | ? – 1 | -4 | 75E | ||||
| 6 | B – 5 | -22 | 32E | ||||
| 7 | F – 57 | -15 | 17E | ||||
| 8 | C – 10 | 9 | 57W | ||||
| 9 | A – 1 | 3 | 7W | ||||
| 10 | H – 5 | 21 | 40W | ||||
| 11 | D – 12 | 14 | 23W | ||||
| 12 | C – 15 | 10 | 12W | ||||
| 13 | B – 3 | 27 | 6W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.