Daily Sunspot Evaluation
Observation Sheet Monday, 12 January 1959
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)
- 14
- Number of spots (f)
- 108
- Relative number (R)
- 248
- Observer
- KA
- Reading
- all checks consistent
- File
- 19590112.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 4 | 23 | 5E | ||||
| 2 | B – 5 | 15 | 10E | ||||
| 3 | D – 13 | 21 | 45E | ||||
| 4 | A – 2 | -16 | 33W | ||||
| 5 | J – 1 | -13 | 39W | ||||
| 6 | D – 9 | -3 | 31W | ||||
| 7 | J – 1 | -17 | 71W | ||||
| 8 | ? – 1 | -13 | 83W | ||||
| 9 | J – 1 | -10 | 68W | ||||
| 10 | J – 1 | -7 | 62W | ||||
| 11 | C – 7 | 17 | 66W | ||||
| 12 | C – 8 | 122 | 62W | ||||
| 13 | ? – 1 | 33 | 67W | ||||
| 14 | F – 54 | 12 | 17W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.