Daily Sunspot Evaluation
Observation Sheet Saturday, 8 July 1961
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)
- 24
- Relative number (R)
- 64
- Observer
- PO
- Reading
- all checks consistent
- File
- 19610708.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 3 | 3 | 55E | ||||
| 2 | A – 3 | 12 | 45W | ||||
| 3 | H – 17 | 13 | 23W | ||||
| 4 | ? – 1 | 21 | 83W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.