Daily Sunspot Evaluation
Observation Sheet Wednesday, 7 December 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)
- 6
- Number of spots (f)
- 86
- Relative number (R)
- 146
- Observer
- KA
- Reading
- all checks consistent
- File
- 19551207.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 28 | 0.7 | 60 | |
| 2 | A – 2 | 0.5 | 70 | |
| 3 | O – 14 | 0.5 | 141 | |
| 4 | A – 3 | 0.68 | 238 | |
| 5 | C – 5 | 0.73 | 247 | |
| 6 | E – 34 | 0.69 | 318 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.