Daily Sunspot Evaluation
Observation Sheet Sunday, 25 April 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)
- 14
- Relative number (R)
- 34
- Observer
- MB
- Reading
- all checks consistent
- File
- 20040425.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 4 | -9 | 29W | 114 | 32W | ~3.5 | 68 |
| 2 | DAO – 10 | 14 | 37E | 48 | 34E | 7.5 | 71 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.