Daily Sunspot Evaluation
Observation Sheet Saturday, 26 October 1991
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)
- 77
- Relative number (R)
- 147
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19911026.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 7 | 11 | 30W | 243 | 32W | 6 | 531 |
| 2 | AX – 1 | 25 | 22W | 235 | 24W | 538 | |
| 3 | AX – 1 | 13 | 24E | 189 | 22E | 534 | |
| 4 | DAI – 15 | 17 | 55E | 158 | 53E | 14 | 535 |
| 5 | FKC – 35 | -11 | 27E | 186 | 25E | 18.5 | 543 |
| 6 | FKC – 17 | -20 | 31E | 182 | 29E | 14.5 | 536 |
| 7 | HA – 1 | -9 | 43E | 170 | 41E | 1 | 537 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.