Daily Sunspot Evaluation
Observation Sheet Sunday, 25 July 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)
- 70
- Relative number (R)
- 100
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20040725.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 58 | 9 | 25W | 346 | 28W | 17 | 141 |
| 2 | AX – 3 | 8 | 61E | 260 | 58E | 25 | 144 |
| 3 | CAI – 9 | -14 | 22W | 343 | 25W | 12 | 142 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.