Daily Sunspot Evaluation
Observation Sheet Monday, 25 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)
- 46
- Relative number (R)
- 76
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690825.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 42 | 11 | 38E | 127 | |||
| 2 | J – 2 | -10 | 65E | 100 | |||
| 3 | A – 2 | -20 | 52E | 113 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.