Daily Sunspot Evaluation
Observation Sheet Saturday, 25 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)
- 6
- Number of spots (f)
- 49
- Relative number (R)
- 109
- Observer
- AB
- Reading
- all checks consistent
- File
- 19600625.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 26 | 20 | 7E | ||||
| 2 | ? – 2 | 27 | 85E | ||||
| 3 | H – 3 | 7 | 49E | ||||
| 4 | G – 2 | -8 | 59E | ||||
| 5 | B – 3 | -8 | 46E | ||||
| 6 | H – 13 | 13 | 53W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.