Daily Sunspot Evaluation
Observation Sheet Monday, 11 September 2000
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)
- 4
- Number of spots (f)
- 11
- Relative number (R)
- 51
- Observer
- TA
- Reading
- all checks consistent
- File
- 20000911.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 25 | 20E | 230 | 17E | 1 | |
| 2 | AX – 3 | 6 | 62E | 188 | 59E | 4.5 | |
| 3 | ? – 4 | -19 | 76W | 326 | 79W | ||
| 4 | AX – 2 | -30 | 00 | 250 | 03W | 0.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.