Daily Sunspot Evaluation
Observation Sheet Monday, 24 December 1951
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)
- 3
- Number of spots (f)
- 45
- Relative number (R)
- 75
- Observer
- WG
- Reading
- all checks consistent
- File
- 19511224.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 2 | 0.92 | 281 | |
| 2 | B – 4 | 0.84 | 287 | |
| 3 | E – 39 | 0.68 | 291 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.