Daily Sunspot Evaluation
Observation Sheet Sunday, 26 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)
- 2
- Number of spots (f)
- 2
- Relative number (R)
- 22
- Observer
- MB
- Reading
- all checks consistent
- File
- 20040926.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 1 | -14 | 66W | 275 | 69W | ~3.5 | 168 |
| 2 | HS – 1 | -9 | 70E | 139 | 67E | ~2 | 174 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.