Daily Sunspot Evaluation
Observation Sheet Monday, 1 July 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)
- 11
- Number of spots (f)
- 86
- Relative number (R)
- 196
- Observer
- KA
- Reading
- all checks consistent
- File
- 19570701.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 10 | 11 | 43E | ||||
| 2 | G – 5 | 13 | 55E | ||||
| 3 | ? – 2 | 13 | 88E | ||||
| 4 | I – 1 | 16 | 58E | ||||
| 5 | I – 2 | -15 | 30E | ||||
| 6 | E – 23 | -29 | 54E | ||||
| 7 | E – 8 | -12 | 15E | ||||
| 8 | I – 1 | -15 | 1E | ||||
| 9 | B – 7 | -24 | 2E | ||||
| 10 | E – 7 | -22 | 80W | ||||
| 11 | C – 20 | 11 | 15W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.