Daily Sunspot Evaluation
Observation Sheet Sunday, 25 October 1959
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)
- 10
- Number of spots (f)
- 80
- Relative number (R)
- 180
- Observer
- ET
- Reading
- all checks consistent
- File
- 19591025.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 40 | 8 | 14E | ||||
| 2 | J – 1 | 6 | 37E | ||||
| 3 | D – 4 | 10 | 50E | ||||
| 4 | C – 15 | -9 | 44E | ||||
| 5 | A – 2 | -23 | 3W | ||||
| 6 | B – 2 | -12 | 39W | ||||
| 7 | D – 4 | -10 | 57W | ||||
| 8 | H – 6 | -1 | 50W | ||||
| 9 | A – 1 | 2 | 57W | ||||
| 10 | C – 5 | 4 | 34W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.