Daily Sunspot Evaluation
Observation Sheet Wednesday, 29 January 1969
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)
- 3
- Number of spots (f)
- 17
- Relative number (R)
- 47
- Observer
- SM
- Reading
- all checks consistent
- File
- 19690129.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 3 | 34 | 51E | 341 | |||
| 2 | D – 12 | 9 | 54W | 86 | |||
| 3 | A – 2 | 13 | 29W | 61 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.