Daily Sunspot Evaluation
Observation Sheet Wednesday, 22 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)
- 15
- Number of spots (f)
- 151
- Relative number (R)
- 301
- Observer
- SG
- Reading
- all checks consistent
- File
- 19581022.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 14 | 9E | ||||
| 2 | B – 6 | 18 | 42E | ||||
| 3 | A – 1 | 1 | 11E | ||||
| 4 | J – 2 | 7 | 24E | ||||
| 5 | J – 1 | -20 | 48E | ||||
| 6 | A – 2 | -32 | 64E | ||||
| 7 | F – 69 | -11 | 2W | ||||
| 8 | J – 2 | -31 | 68W | ||||
| 9 | J – 1 | -19 | 67W | ||||
| 10 | A – 1 | -9 | 37W | ||||
| 11 | F – 32 | -4 | 27W | ||||
| 12 | B – 8 | -10 | 48W | ||||
| 13 | A – 2 | -4 | 65W | ||||
| 14 | D – 20 | 20 | 53W | ||||
| 15 | J – 1 | 25 | 63W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.