Daily Sunspot Evaluation
Observation Sheet Sunday, 9 July 2006
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)
- 2
- Number of spots (f)
- 7
- Relative number (R)
- 27
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20060709.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 4 | -4 | 74W | 332 | 77W | ~4 | |
| 2 | DSO – 3 | -4 | 23E | 235 | 20E | ~7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.