Daily Sunspot Evaluation
Observation Sheet Friday, 22 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)
- 11
- Number of spots (f)
- 47
- Relative number (R)
- 157
- Observer
- AK
- Reading
- all checks consistent
- File
- 19600722.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 2 | 25 | 6E | ||||
| 2 | A – 1 | 25 | 14E | ||||
| 3 | B – 9 | 9 | 22E | ||||
| 4 | A – 2 | -4 | 42E | ||||
| 5 | J – 2 | -8 | 55E | ||||
| 6 | J – 1 | -11 | 65E | ||||
| 7 | A – 1 | -16 | 70E | ||||
| 8 | G – 6 | -10 | 16E | ||||
| 9 | A – 1 | -17 | 49W | ||||
| 10 | B – 6 | 9 | 37W | ||||
| 11 | E – 16 | 21 | 72W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.