Daily Sunspot Evaluation
Observation Sheet Monday, 9 July 1956
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)
- 12
- Number of spots (f)
- 62
- Relative number (R)
- 182
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560709.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 21 | 20 | 5E | ||||
| 2 | ? – 2 | 32 | 77E | ||||
| 3 | J – 2 | 21 | 69E | ||||
| 4 | C – 3 | 18 | 60E | ||||
| 5 | J – 9 | 14 | 41E | ||||
| 6 | A – 1 | -22 | 70E | ||||
| 7 | H – 4 | -20 | 15E | ||||
| 8 | A – 1 | -26 | 33W | ||||
| 9 | C – 7 | -23 | 48W | ||||
| 10 | J – 1 | -15 | 59W | ||||
| 11 | C – 5 | 27 | 62W | ||||
| 12 | C – 6 | 23 | 20W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.