Daily Sunspot Evaluation
Observation Sheet Monday, 22 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)
- 11
- Number of spots (f)
- 108
- Relative number (R)
- 218
- Observer
- SG
- Reading
- all checks consistent
- File
- 19580922.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 16 | 9 | 3E | ||||
| 2 | B – 2 | 14 | 14E | ||||
| 3 | E – 13 | -5 | 62E | ||||
| 4 | ? – 4 | -18 | 82E | ||||
| 5 | ? – 1 | -35 | 71W | ||||
| 6 | ? – 2 | -31 | 74W | ||||
| 7 | F – 25 | -17 | 38W | ||||
| 8 | H – 1 | -14 | 58W | ||||
| 9 | C – 4 | 15 | 72W | ||||
| 10 | D – 37 | 23 | 27W | ||||
| 11 | A – 3 | 30 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.