Daily Sunspot Evaluation
Observation Sheet Saturday, 9 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)
- 8
- Number of spots (f)
- 46
- Relative number (R)
- 126
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690809.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 14 | 02E | 15 | |||
| 2 | A – 1 | -15 | 71E | 306 | |||
| 3 | C – 4 | -32 | 13E | 4 | |||
| 4 | D – 15 | -22 | 35W | 52 | |||
| 5 | J – 5 | -16 | 36W | 53 | |||
| 6 | D – 8 | -11 | 50W | 67 | |||
| 7 | A – 1 | -8 | 39W | 56 | |||
| 8 | D – 10 | 8 | 45W | 62 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.