Daily Sunspot Evaluation
Observation Sheet Monday, 26 August 1968
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)
- 4
- Number of spots (f)
- 30
- Relative number (R)
- 70
- Observer
- AT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19680826.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | -11 | 71E | 212 ⚠ | |||
| 2 | C – 19 | -18 | 23W | 311 | |||
| 3 | A – 1 | 8 | 4W | 292 | |||
| 4 | C – 8 | 27 | 55W | 343 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.