Daily Sunspot Evaluation
Observation Sheet Saturday, 9 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)
- 24
- Relative number (R)
- 84
- Observer
- FY
- Reading
- all checks consistent
- File
- 19560609.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | B – 2 | 0.72 | 110 | |
| 2 | C – 11 | 0.8 | 114 | |
| 3 | A – 3 | 0.86 | 116 | |
| 4 | J – 2 | 0.74 | 234 | |
| 5 | ? – 5 | 0.38 | 282 | |
| 6 | J – 1 | 0.69 | 297 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.