Daily Sunspot Evaluation
Observation Sheet Sunday, 24 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)
- 3
- Number of spots (f)
- 34
- Relative number (R)
- 64
- Observer
- TY
- Reading
- all checks consistent
- File
- 19690824.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 32 | 11 | 51°E | 128 | |||
| 2 | A – 1 | -7 | 45°E | 134 | |||
| 3 | A – 1 | -15 | 15°W | 194 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.