Daily Sunspot Evaluation
Observation Sheet Saturday, 10 July 1965
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)
- 2
- Number of spots (f)
- 20
- Relative number (R)
- 40
- Observer
- AÖ
- Reading
- all checks consistent
- File
- 19650710.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 19 | 52E | 209 | |||
| 2 | E – 18 | 20 | 17W | 273 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.