Daily Sunspot Evaluation
Observation Sheet Friday, 1 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)
- 3
- Number of spots (f)
- 4
- Relative number (R)
- 34
- Observer
- MB
- Reading
- all checks consistent
- File
- 20041001.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | -8 | 23W | 166 | 26W | - | 178 |
| 2 | HS – 1 | -9 | 04E | 139 | 01E | -5.02 | 174 |
| 3 | HS – 2 | -12 | 47E | 96 | 44E | ~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.