Daily Sunspot Evaluation
Observation Sheet Monday, 31 October 1955
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)
- 8
- Number of spots (f)
- 60
- Relative number (R)
- 140
- Observer
- AK
- Reading
- all checks consistent
- File
- 19551031.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 0.44 | 80 | |
| 2 | J – 1 | 0.71 | 89 | |
| 3 | H – 8 | 0.48 | 224 | |
| 4 | B – 10 | 0.56 | 244 | |
| 5 | E – 18 | 0.64 | 254 | |
| 6 | B – 4 | 0.74 | 310 | |
| 7 | B – 6 | 0.79 | 327 | |
| 8 | E – 12 | 0.52 | 347 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.