Daily Sunspot Evaluation
Observation Sheet Friday, 2 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)
- 6
- Number of spots (f)
- 58
- Relative number (R)
- 118
- Observer
- BG
- Reading
- all checks consistent
- File
- 19600902.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 16 | 65E | ||||
| 2 | C – 10 | -11 | 40W | ||||
| 3 | D – 10 | -17 | 56W | ||||
| 4 | ? – 1 | -9 | 22W | ||||
| 5 | C – 5 | 17 | 23W | ||||
| 6 | E – 30 | 18 | 23WE |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.