Daily Sunspot Evaluation
Observation Sheet Friday, 10 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)
- 11
- Number of spots (f)
- 74
- Relative number (R)
- 184
- Observer
- FY
- Reading
- all checks consistent
- File
- 19600610.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 4 | 12 | 1E | ||||
| 2 | B – 11 | 18 | 10E | ||||
| 3 | E – 13 | 13 | 23E | ||||
| 4 | D – 7 | 16 | 37E | ||||
| 5 | E – 15 | 20 | 53E | ||||
| 6 | J – 1 | -12 | 59E | ||||
| 7 | ? – 4 | -12 | 78E | ||||
| 8 | C – 7 | -17 | 19E | ||||
| 9 | ? – 1 | 7 | 83W | ||||
| 10 | B – 2 | 11 | 53W | ||||
| 11 | E – 9 | 30 | 63W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.