Daily Sunspot Evaluation
Observation Sheet Wednesday, 31 October 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)
- 4
- Number of spots (f)
- 65
- Relative number (R)
- 105
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20011031.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKO – 14 | -107 | 54W | 226 | 56W | ~12 | |
| 2 | EKC – 31 | 12 | 02W | 174 | 04W | 13.5 | |
| 3 | EKC – 19 | 6 | 31E | 141 | 29E | 11 | |
| 4 | HR – 1 | 5 | 73E | 99 | 71E | ~1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.