Daily Sunspot Evaluation
Observation Sheet Tuesday, 24 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)
- 6
- Number of spots (f)
- 48
- Relative number (R)
- 108
- Observer
- WG
- Reading
- all checks consistent
- File
- 19560424.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 11 | 0.42 | 9 | |
| 2 | H – 4 | 0.85 | 35 | |
| 3 | A – 1 | 0.34 | 130 | |
| 4 | B – 5 | 0.42 | 177 | |
| 5 | D – 15 | 0.61 | 297 | |
| 6 | C – 12 | 0.66 | 306 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.