Daily Sunspot Evaluation
Observation Sheet Sunday, 5 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)
- 5
- Number of spots (f)
- 28
- Relative number (R)
- 78
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040905.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DRI – 11 | -9 | 54W | 178 | 55W | 6 | 158 |
| 2 | HR – 2 | 0 | 39W | 163 | 40W | -1 | 160 |
| 3 | HK – 4 | -11 | 29E | 95 | 28E | 3.5 | 159 |
| 4 | AX – 4 | -13 | 40E | 84 | 39E | 1.5 | 161 |
| 5 | HR – 7 | -5 | 41E | 83 | 40E | 2 | 162 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.