Daily Sunspot Evaluation
Observation Sheet Sunday, 10 September 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)
- 31
- Relative number (R)
- 61
- Observer
- MB
- Reading
- all checks consistent
- File
- 20060910.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DRI – 11 | -9 | 26W | 168 | 26W | 10 | |
| 2 | BXE – 10 | -11 | 15W | 157 | 15W | 7 | |
| 3 | CKO – 10 | -13 | 17E | 125 | 17E | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.