Daily Sunspot Evaluation
Observation Sheet Friday, 22 August 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)
- 10
- Number of spots (f)
- 158
- Relative number (R)
- 258
- Observer
- ET
- Reading
- all checks consistent
- File
- 19580822.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 12 | 20 | 26E | ||||
| 2 | A – 1 | 18 | 54E | ||||
| 3 | C – 17 | 9 | 51E | ||||
| 4 | C – 9 | 8 | 65E | ||||
| 5 | J – 1 | -8 | 69E | ||||
| 6 | D – 22 | -18 | 23E | ||||
| 7 | C – 16 | -13 | 7W | ||||
| 8 | D – 9 | -12 | 43W | ||||
| 9 | A – 4 | 5 | 9W | ||||
| 10 | F – 67 | 17 | 6W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.