Daily Sunspot Evaluation
Observation Sheet Friday, 26 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)
- 89
- Relative number (R)
- 129
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030926.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 9 | 40W | 40 | 43W | 1 | 260 |
| 2 | FKC – 70 | 3 | 01E | 359 | 02W | 19 | 261 |
| 3 | CRO – 9 | -10 | 16E | 344 | 13E | ~6 | 264 |
| 4 | CSI – 9 | -6 | 28E | 332 | 25E | 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.