Daily Sunspot Evaluation
Observation Sheet Tuesday, 26 August 1969
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)
- 6
- Number of spots (f)
- 47
- Relative number (R)
- 107
- Observer
- SM
- Reading
- all checks consistent
- File
- 19690826.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 32 | 11 | 24E | 128 | |||
| 2 | ? – 3 | 10 | 84E | 68 | |||
| 3 | ? – 4 | 5 | 80E | 72 | |||
| 4 | J – 4 | -9 | 51E | 101 | |||
| 5 | A – 3 | -20 | 42E | 110 | |||
| 6 | A – 1 | -8 | 19E | 133 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.