Daily Sunspot Evaluation
Observation Sheet Thursday, 22 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)
- 198
- Relative number (R)
- 338
- Observer
- FY
- Reading
- all checks consistent
- File
- 19590122.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 17 | 2E | ||||
| 2 | H – 15 | 19 | 11E | ||||
| 3 | F – 35 | 9 | 8E | ||||
| 4 | A – 1 | 29 | 34E | ||||
| 5 | D – 12 | 35 | 47E | ||||
| 6 | J – 2 | 21 | 55E | ||||
| 7 | F – 37 | 12 | 43E | ||||
| 8 | J – 1 | 2 | 72E | ||||
| 9 | C – 10 | -6 | 46E | ||||
| 10 | C – 10 | -12 | 16E | ||||
| 11 | B – 7 | -10 | 4E | ||||
| 12 | F – 31 | 11 | 15W | ||||
| 13 | A – 2 | 11 | 5W | ||||
| 14 | F – 34 | 18 | 7W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



