Daily Sunspot Evaluation
Observation Sheet Saturday, 24 June 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)
- 3
- Number of spots (f)
- 41
- Relative number (R)
- 71
- Observer
- SK
- Reading
- all checks consistent
- File
- 19610624.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 19 | 12 | 8W | ||||
| 2 | J – 1 | -7 | 44W | ||||
| 3 | E – 21 | 13 | 61W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.