Daily Sunspot Evaluation
Observation Sheet Saturday, 11 June 1960
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)
- 7
- Number of spots (f)
- 96
- Relative number (R)
- 166
- Observer
- SG
- Reading
- all checks consistent
- File
- 19600611.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 37 | 13 | 15E | ||||
| 2 | E – 17 | 20 | 40E | ||||
| 3 | E – 12 | -12 | 64E | ||||
| 4 | J – 2 | -11 | 46E | ||||
| 5 | B – 8 | -18 | 7E | ||||
| 6 | ? – 6 | 30 | 77W | ||||
| 7 | B – 14 | 15 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.