Daily Sunspot Evaluation
Observation Sheet Wednesday, 24 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)
- 9
- Number of spots (f)
- 110
- Relative number (R)
- 200
- Observer
- ET
- Reading
- all checks consistent
- File
- 19581224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 8 | 3E | ||||
| 2 | B – 3 | 13 | 7E | ||||
| 3 | A – 2 | 22 | 42E | ||||
| 4 | F – 22 | 16 | 63E | ||||
| 5 | F – 60 | -17 | 46E | ||||
| 6 | C – 7 | -23 | 6E | ||||
| 7 | B – 4 | -16 | 37W | ||||
| 8 | B – 9 | 9 | 27W | ||||
| 9 | H – 1 | 13 | 13W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.