Daily Sunspot Evaluation
Observation Sheet Tuesday, 1 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)
- 101
- Relative number (R)
- 211
- Observer
- AK
- Reading
- all checks consistent
- File
- 19580701.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 25 | 20E | ||||
| 2 | C – 10 | 11 | 9E | ||||
| 3 | E – 36 | 24 | 52E | ||||
| 4 | C – 5 | 5 | 43E | ||||
| 5 | A – 1 | -6 | 61E | ||||
| 6 | ? – 1 | -23 | 80E | ||||
| 7 | A – 3 | -10 | 10W | ||||
| 8 | C – 9 | -20 | 27W | ||||
| 9 | H – 13 | -15 | 41W | ||||
| 10 | C – 7 | -7 | 30W | ||||
| 11 | C – 15 | 12 | 18W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.