Daily Sunspot Evaluation
Observation Sheet Wednesday, 25 July 2001
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)
- 7
- Number of spots (f)
- 53
- Relative number (R)
- 123
- Observer
- MS
- Reading
- counts consistent, some coordinates doubtful
- File
- 20010725.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 17 | 68W | 95 | 70W | ||
| 2 | HS – 1 | 19 | 37W | 64 | 39W | 2 | |
| 3 | CAI – 26 | 13 | 17E | 10 | 15E | 16.5 | |
| 4 | FAC – 19 | -23 | 48W | 75 | 50W | 17 | |
| 5 | HR – 3 | -6 | 32W | 59 | 34W | 3.5 | |
| 6 | AX – 1 | -7 | 34E | 353 | 32E | ||
| 7 | AX – 2 | -9 | 48E | 329 ⚠ | 46E | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.