Daily Sunspot Evaluation
Observation Sheet Sunday, 14 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
- SG
- Reading
- all checks consistent
- File
- 19581214.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 11 | 9 | 10E | ||||
| 2 | E – 12 | 22 | 36E | ||||
| 3 | ? – 1 | 18 | 74E | ||||
| 4 | B – 2 | 15 | 61E | ||||
| 5 | A – 2 | -14 | 19E | ||||
| 6 | E – 27 | -18 | 11W | ||||
| 7 | A – 1 | -14 | 64W | ||||
| 8 | E – 51 | -4 | 34W | ||||
| 9 | C – 3 | 14 | 66W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.