Daily Sunspot Evaluation
Observation Sheet Friday, 10 October 1958
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)
- 44
- Relative number (R)
- 114
- Observer
- FY
- Reading
- all checks consistent
- File
- 19581010.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 9 | 13 | 5E | ||||
| 2 | A – 1 | 19 | 54E | ||||
| 3 | B – 7 | 5 | 34E | ||||
| 4 | ? – 2 | -15 | 80E | ||||
| 5 | A – 5 | -16 | 31W | ||||
| 6 | ? – 2 | 10 | 71W | ||||
| 7 | D – 18 | 17 | 11W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.