Daily Sunspot Evaluation
Observation Sheet Saturday, 10 September 2005
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)
- 25
- Relative number (R)
- 45
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20050910.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 11 | 42E | 240 | 39E | 1 | |
| 2 | EKC – 24 | -9 | 53E | 229 | 50E | -14 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.