Daily Sunspot Evaluation
Observation Sheet Wednesday, 25 July 1984
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)
- 7
- Relative number (R)
- 37
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19840725.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 1 | 47E | 212 | 44E | 9.25 | 440 |
| 2 | DAO – 5 | -8 | 55W | 314 | 58W | 12.5 | 136 |
| 3 | HSX – 1 | -17 | 42E | 217 | 39E | 1.25 | 193 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.