Daily Sunspot Evaluation
Observation Sheet Wednesday, 2 July 1958
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)
- 81
- Relative number (R)
- 191
- Observer
- ET
- Reading
- all checks consistent
- File
- 19580702.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 15 | 21 | 31E | ||||
| 2 | E – 24 | 26 | 45E | ||||
| 3 | A – 1 | 16 | 75E | ||||
| 4 | B – 7 | 4 | 29E | ||||
| 5 | A – 3 | -6 | 48E | ||||
| 6 | E – 5 | -23 | 71E | ||||
| 7 | J – 2 | -22 | 40W | ||||
| 8 | H – 3 | -16 | 54W | ||||
| 9 | B – 5 | -8 | 43W | ||||
| 10 | C – 7 | 11 | 31W | ||||
| 11 | C – 9 | 10 | 4W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.