Daily Sunspot Evaluation
Observation Sheet Wednesday, 6 October 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)
- 2
- Number of spots (f)
- 4
- Relative number (R)
- 24
- Observer
- MB
- Reading
- all checks consistent
- File
- 20041006.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | -8 | 650 | 141 | 670 | 52 | 174 |
| 2 | HR – 3 | -11 | 490 | 95 | 210 | ~1 | 177 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.