Daily Sunspot Evaluation
Observation Sheet Friday, 17 November 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)
- 3
- Number of spots (f)
- 20
- Relative number (R)
- 50
- Observer
- SA
- Reading
- all checks consistent
- File
- 20061117.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 2 | -5 | 38W | 6 | 41W | ~5 | |
| 2 | DAO – 10 | -8 | 10E | 318 | 07E | 6 | |
| 3 | DAO – 8 | -5 | 21E | 307 | 18E | ~4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



