Daily Sunspot Evaluation
Observation Sheet Sunday, 4 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)
- 4
- Number of spots (f)
- 81
- Relative number (R)
- 121
- Observer
- MH
- Reading
- all checks consistent
- File
- 19551204.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | E – 57 | 0.37 | 11 | |
| 2 | A – 6 | 0.96 | 73 | |
| 3 | A – 4 | 0.93 | 124 | |
| 4 | C – 14 | 0.47 | 187 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.