Daily Sunspot Evaluation
Observation Sheet Tuesday, 26 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)
- 11
- Number of spots (f)
- 111
- Relative number (R)
- 221
- Observer
- AK
- Reading
- all checks consistent
- File
- 19580826.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 17 | 6E | ||||
| 2 | A – 1 | 12 | 4E | ||||
| 3 | C – 11 | 28 | 70E | ||||
| 4 | A – 2 | 10 | 8E | ||||
| 5 | B – 5 | -9 | 66E | ||||
| 6 | H – 3 | -11 | 53E | ||||
| 7 | B – 7 | -7 | 18E | ||||
| 8 | D – 21 | -17 | 34W | ||||
| 9 | C – 7 | -15 | 62W | ||||
| 10 | J – 1 | 8 | 8W | ||||
| 11 | F – 52 | 18 | 52W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.