Daily Sunspot Evaluation
Observation Sheet Sunday, 24 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)
- 9
- Number of spots (f)
- 29
- Relative number (R)
- 119
- Observer
- AK
- Reading
- all checks consistent
- File
- 19600724.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 27 | 76E | ||||
| 2 | ? – 7 | 9 | 85E | ||||
| 3 | J – 1 | -11 | 38E | ||||
| 4 | J – 2 | -7 | 27E | ||||
| 5 | A – 6 | -5 | 17E | ||||
| 6 | A – 1 | -9 | 17W | ||||
| 7 | A – 1 | 14 | 33W | ||||
| 8 | A – 9 | 8 | 5WE | ||||
| 9 | J – 1 | 25 | 21W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.