Daily Sunspot Evaluation
Observation Sheet Saturday, 23 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)
- 5
- Number of spots (f)
- 24
- Relative number (R)
- 74
- Observer
- MÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19690823.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 3 | 12 | 03E | 189 | |||
| 2 | E – 16 | 11 | 65E | 127 | |||
| 3 | A – 1 | -7 | 59E | 133 | |||
| 4 | A – 2 | -15 | 02W | 194 | |||
| 5 | A – 2 | -12 | 60W | 152 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.