Daily Sunspot Evaluation
Observation Sheet Tuesday, 10 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)
- 10
- Number of spots (f)
- 90
- Relative number (R)
- 190
- Observer
- ET
- Reading
- all checks consistent
- File
- 19560710.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 2 | 32 | 63E | ||||
| 2 | D – 22 | 14 | 27E | ||||
| 3 | E – 10 | 19 | 51E | ||||
| 4 | H – 13 | -22 | 4E | ||||
| 5 | A – 3 | -26 | 47W | ||||
| 6 | A – 6 | -24 | 62W | ||||
| 7 | A – 1 | -16 | 74W | ||||
| 8 | ? – 4 | 27 | 74W | ||||
| 9 | B – 8 | 22 | 33W | ||||
| 10 | F – 21 | 19 | 8W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.