Daily Sunspot Evaluation
Observation Sheet Tuesday, 10 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)
- 12
- Number of spots (f)
- 82
- Relative number (R)
- 202
- Observer
- WG
- Reading
- all checks consistent
- File
- 19560410.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 0.64 | 29 | |
| 2 | A – 1 | 0.79 | 30 | |
| 3 | J – 1 | 0.84 | 35 | |
| 4 | ? – 2 | 0.96 | 48 | |
| 5 | A – 7 | 0.93 | 83 | |
| 6 | J – 2 | 0.77 | 87 | |
| 7 | ? – 7 | 0.98 | 95 | |
| 8 | B – 6 | 0.38 | 207 | |
| 9 | B – 7 | 0.73 | 299 | |
| 10 | A – 1 | 0.64 | 313 | |
| 11 | H – 10 | 0.71 | 314 | |
| 12 | E – 37 | 0.52 | 356 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.