Daily Sunspot Evaluation
Observation Sheet Monday, 4 June 1951
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)
- 4
- Number of spots (f)
- 16
- Relative number (R)
- 56
- Observer
- WG
- Reading
- all checks consistent
- File
- 19510604.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 5 | 0.41 | 56 | |
| 2 | A – 1 | 0.3 | 87 | |
| 3 | A – 5 | 0.74 | 91 | |
| 4 | H – 5 | 0.82 | 272 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.