Daily Sunspot Evaluation
Observation Sheet Monday, 2 April 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)
- 21
- Relative number (R)
- 61
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560402.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 0.75 | 80 | |
| 2 | A – 2 | 0.35 | 190 | |
| 3 | A – 2 | 0.64 | 226 | |
| 4 | C – 16 | 0.84 | 280 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



