Daily Sunspot Evaluation
Observation Sheet Monday, 11 July 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)
- 41
- Relative number (R)
- 111
- Observer
- KA
- Reading
- all checks consistent
- File
- 19600711.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 8 | 19 | 27E | ||||
| 2 | J – 2 | 18 | 67E | ||||
| 3 | ? – 1 | 23 | 77E | ||||
| 4 | A – 3 | -9 | 24E | ||||
| 5 | A – 2 | -19 | 68W | ||||
| 6 | B – 7 | 14 | 35W | ||||
| 7 | E – 18 | 15 | 13W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.