Daily Sunspot Evaluation
Observation Sheet Wednesday, 30 July 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)
- 4
- Number of spots (f)
- 59
- Relative number (R)
- 99
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690730.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 32 | -8 | 23E | 125 | |||
| 2 | A – 1 | -16 | 43E | 105 | |||
| 3 | H – 18 | -17 | 03W | 151 | |||
| 4 | B – 8 | -15 | 25W | 173 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.