Daily Sunspot Evaluation
Observation Sheet Sunday, 20 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)
- 8
- Number of spots (f)
- 32
- Relative number (R)
- 112
- Observer
- AK
- Reading
- all checks consistent
- File
- 19551120.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | ? – 2 | 0.97 | 83 | |
| 2 | C – 5 | 0.94 | 131 | |
| 3 | H – 4 | 0.98 | 313 | |
| 4 | A – 4 | 0.92 | 315 | |
| 5 | C – 4 | 0.9 | 318 | |
| 6 | J – 3 | 0.56 | 322 | |
| 7 | A – 2 | 0.46 | 334 | |
| 8 | C – 8 | 0.42 | 344 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.