Daily Sunspot Evaluation
Observation Sheet Wednesday, 29 September 2004
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)
- 7
- Relative number (R)
- 47
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040929.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 2 | 30E | 139 | 27E | - | 175 |
| 2 | AX – 2 | 13 | 36E | 133 | 33E | 1.5 | 176 |
| 3 | CAO – 3 | -9 | 31E | 138 | 28E | 5 | 174 |
| 4 | ? – 1 | -12 | 73E | 96 | 70E | 1.5 | 177 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.