Daily Sunspot Evaluation
Observation Sheet Saturday, 4 June 1960
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)
- 71
- Relative number (R)
- 141
- Observer
- SG
- Reading
- all checks consistent
- File
- 19600604.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 29 | 31 | 9E | ||||
| 2 | C – 6 | 9 | 33E | ||||
| 3 | A – 1 | -13 | 11E | ||||
| 4 | A – 1 | -8 | 7W | ||||
| 5 | H – 12 | -9 | 20W | ||||
| 6 | ? – 1 | -13 | 67W | ||||
| 7 | E – 21 | 7 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.