Daily Sunspot Evaluation
Observation Sheet Wednesday, 9 August 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)
- 5
- Relative number (R)
- 25
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20060809.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 4 | -8 | 52E | 155 | 50E | ~6 | |
| 2 | ? – 1 | -12 | 82E | 125 | 80E | ~4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.