Daily Sunspot Evaluation
Observation Sheet Saturday, 31 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)
- 11
- Number of spots (f)
- 73
- Relative number (R)
- 183
- Observer
- AB
- Reading
- all checks consistent
- File
- 19591031.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 18 | 22 | 8E | ||||
| 2 | A – 2 | 22 | 25E | ||||
| 3 | J – 2 | 6 | 50E | ||||
| 4 | A – 2 | -17 | 24E | ||||
| 5 | C – 11 | -9 | 37W | ||||
| 6 | B – 3 | -3 | 48W | ||||
| 7 | H – 4 | 7 | 73W | ||||
| 8 | J – 1 | 6 | 42W | ||||
| 9 | C – 10 | 9 | 33W | ||||
| 10 | O – 16 | 14 | 20W | ||||
| 11 | T – 4 | 33 | 12W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.