Daily Sunspot Evaluation
Observation Sheet Saturday, 3 September 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)
- 5
- Number of spots (f)
- 42
- Relative number (R)
- 92
- Observer
- AB
- Reading
- all checks consistent
- File
- 19600903.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 6 | 20 | 80E | ||||
| 2 | B – 5 | 16 | 53E | ||||
| 3 | D – 7 | -17 | 69WEE | ||||
| 4 | B – 5 | -11 | 53W | ||||
| 5 | E – 19 | 19 | 37WE |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.