Daily Sunspot Evaluation
Observation Sheet Thursday, 3 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)
- 14
- Number of spots (f)
- 156
- Relative number (R)
- 296
- Observer
- FY
- Reading
- all checks consistent
- File
- 19580703.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 8 | 11 | 3E | ||||
| 2 | C – 19 | 21 | 19E | ||||
| 3 | E – 69 | 25 | 33E | ||||
| 4 | A – 2 | 26 | 57E | ||||
| 5 | A – 2 | 16 | 65E | ||||
| 6 | C – 14 | 4 | 15E | ||||
| 7 | C – 7 | -6 | 34E | ||||
| 8 | D – 8 | -24 | 57E | ||||
| 9 | C – 5 | -24 | 53W | ||||
| 10 | H – 6 | -16 | 67W | ||||
| 11 | B – 4 | -7 | 57W | ||||
| 12 | C – 3 | 10 | 45W | ||||
| 13 | A – 1 | 20 | 46W | ||||
| 14 | D – 8 | 10 | 17W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.