Daily Sunspot Evaluation
Observation Sheet Saturday, 12 November 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)
- 9
- Number of spots (f)
- 123
- Relative number (R)
- 213
- Observer
- KA
- Reading
- all checks consistent
- File
- 19551112.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 9 | 0.45 | 14 | |
| 2 | F – 62 | 0.66 | 76 | |
| 3 | ? – 3 | 0.33 | 32 | |
| 4 | E – 37 | 0.61 | 178 | |
| 5 | B – 4 | 0.76 | 184 | |
| 6 | B – 2 | 0.63 | 249 | |
| 7 | A – 4 | 0.68 | 259 | |
| 8 | J – 1 | 0.34 | 261 | |
| 9 | A – 1 | 0.97 | 315 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.