Daily Sunspot Evaluation
Observation Sheet Friday, 10 February 1956
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)
- 4
- Number of spots (f)
- 8
- Relative number (R)
- 48
- Observer
- WG
- Reading
- all checks consistent
- File
- 19560210.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | ? – 2 | 0.98 | 51 | |
| 2 | J – 1 | 0.5 | 95 | |
| 3 | A – 1 | 0.89 | 292 | |
| 4 | G – 4 | 0.47 | 330 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.