Daily Sunspot Evaluation
Observation Sheet Sunday, 6 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)
- 12
- Number of spots (f)
- 165
- Relative number (R)
- 285
- Observer
- AB
- Reading
- all checks consistent
- File
- 19580706.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 28 | 26 | 12E | ||||
| 2 | A – 2 | 33 | 31E | ||||
| 3 | D – 11 | 31 | 61E | ||||
| 4 | H – 9 | -24 | 26E | ||||
| 5 | H – 2 | -24 | 12E | ||||
| 6 | D – 8 | -16 | 1E | ||||
| 7 | C – 4 | -6 | 6W | ||||
| 8 | E – 22 | 4 | 25W | ||||
| 9 | J – 2 | 10 | 61W | ||||
| 10 | D – 19 | 11 | 37W | ||||
| 11 | C – 13 | 20 | 20W | ||||
| 12 | E – 45 | 25 | 6W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.