Daily Sunspot Evaluation
Observation Sheet Wednesday, 13 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)
- 6
- Number of spots (f)
- 25
- Relative number (R)
- 85
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560613.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | B – 4 | 0.64 | 31 | |
| 2 | G – 5 | 0.36 | 48 | |
| 3 | ? – 2 | 0.98 | 57 | |
| 4 | J – 2 | 0.94 | 106 | |
| 5 | A – 1 | 0.39 | 112 | |
| 6 | C – 11 | 0.5 | 187 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.