Daily Sunspot Evaluation
Observation Sheet Friday, 26 August 1960
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)
- 7
- Number of spots (f)
- 72
- Relative number (R)
- 142
- Observer
- SG
- Reading
- all checks consistent
- File
- 19600826.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 12 | 1W | ||||
| 2 | J – 2 | 8 | 7W | ||||
| 3 | H – 5 | -18 | 32W | ||||
| 4 | E – 31 | -6 | 37W | ||||
| 5 | C – 12 | 6 | 52W | ||||
| 6 | D – 6 | 27 | 58W | ||||
| 7 | D – 15 | 25 | 28W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.