Daily Sunspot Evaluation
Observation Sheet Wednesday, 24 September 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)
- 12
- Number of spots (f)
- 107
- Relative number (R)
- 227
- Observer
- FY
- Reading
- all checks consistent
- File
- 19580924.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 36 | 47E | ||||
| 2 | B – 6 | 19 | 62E | ||||
| 3 | C – 6 | -6 | 69E | ||||
| 4 | E – 15 | -4 | 34E | ||||
| 5 | ? – 3 | -10 | 72E | ||||
| 6 | B – 2 | -22 | 70E | ||||
| 7 | D – 5 | -18 | 53E | ||||
| 8 | A – 8 | -11 | 10E | ||||
| 9 | E – 11 | -18 | 66W | ||||
| 10 | B – 9 | 10 | 23W | ||||
| 11 | D – 25 | 22 | 56W | ||||
| 12 | B – 16 | 30 | 4W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.