Daily Sunspot Evaluation
Observation Sheet Monday, 25 June 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)
- 7
- Number of spots (f)
- 73
- Relative number (R)
- 143
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560625.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 0.92 | 60 | |
| 2 | J – 2 | 0.67 | 109 | |
| 3 | C – 15 | 0.88 | 121 | |
| 4 | D – 15 | 0.81 | 235 | |
| 5 | A – 6 | 0.96 | 244 | |
| 6 | E – 31 | 0.92 | 279 | |
| 7 | ? – 3 | 0.95 | 287 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.