Daily Sunspot Evaluation
Observation Sheet Thursday, 25 September 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)
- 4
- Number of spots (f)
- 55
- Relative number (R)
- 95
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030925.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 9 | 26W | 39 | 29W | 4.5 | 260 |
| 2 | FKC – 39 | 3 | 16E | 357 | 13E | ~18 | 261 |
| 3 | CAO – 5 | -10 | 30E | 343 | 23E | 5.5 | 264 |
| 4 | CSO – 10 | -6 | 42E | 331 | 39E | 5 | 262 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.