Daily Sunspot Evaluation
Observation Sheet Tuesday, 25 October 1966
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)
- 29
- Relative number (R)
- 69
- Observer
- DK
- Reading
- all checks consistent
- File
- 19661025.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 16 | 13 | 03E | 143 | |||
| 2 | B – 4 | -16 | 04W | 150 | |||
| 3 | B – 7 | -26 | 21W | 167 | |||
| 4 | A – 2 | 29 | 28W | 174 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.