Daily Sunspot Evaluation
Observation Sheet Friday, 25 July 2003
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)
- 6
- Number of spots (f)
- 10
- Relative number (R)
- 70
- Observer
- HE
- Reading
- all checks consistent
- File
- 20030725.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 1 | 15 | 79W | 191 | 82W | 1 | 198 |
| 2 | HR – 1 | 14 | 58W | 170 | 61W | 1 | 201 |
| 3 | AX – 2 | 10 | 43E | 69 | 40E | 2 | 209 |
| 4 | HA – 1 | 10 | 72E | 40 | 69E | 3 | 210 |
| 5 | ? – 3 | -12 | 78W | 190 | 81W | 4 | 197 |
| 6 | CSO – 2 | -3 | 25W | 137 | 28E | 5 | 202 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.