Daily Sunspot Evaluation
Observation Sheet Thursday, 26 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)
- 5
- Number of spots (f)
- 32
- Relative number (R)
- 82
- Observer
- MH
- Reading
- all checks consistent
- File
- 19560426.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 12 | 0.65 | 19 | |
| 2 | A – 5 | 0.51 | 86 | |
| 3 | A – 2 | 0.71 | 210 | |
| 4 | C – 5 | 0.87 | 277 | |
| 5 | A – 8 | 0.45 | 299 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.