Daily Sunspot Evaluation
Observation Sheet Saturday, 8 June 1957
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)
- 9
- Number of spots (f)
- 39
- Relative number (R)
- 129
- Observer
- ET
- Reading
- all checks consistent
- File
- 19570608.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 32 | 76E | ||||
| 2 | J – 1 | 19 | 52E | ||||
| 3 | G – 11 | -17 | 1E | ||||
| 4 | G – 3 | -25 | 13W | ||||
| 5 | B – 4 | -24 | 51W | ||||
| 6 | J – 3 | -16 | 55W | ||||
| 7 | ? – 7 | 10 | 69W | ||||
| 8 | G – 7 | 11 | 15W | ||||
| 9 | A – 1 | 16 | 12W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.