Daily Sunspot Evaluation
Observation Sheet Friday, 24 February 1956
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)
- 11
- Number of spots (f)
- 83
- Relative number (R)
- 193
- Observer
- WG
- Reading
- all checks consistent
- File
- 19560224.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 17 | 0.54 | 0 | |
| 2 | C – 13 | 0.66 | 19 | |
| 3 | A – 2 | 0.64 | 30 | |
| 4 | A – 1 | 0.87 | 85 | |
| 5 | B – 8 | 0.68 | 105 | |
| 6 | A – 1 | 0.25 | 133 | |
| 7 | B – 6 | 0.25 | 171 | |
| 8 | E – 7 | 0.92 | 229 | |
| 9 | H – 1 | 0.7 | 230 | |
| 10 | ? – 4 | 0.98 | 272 | |
| 11 | F – 23 | 0.83 | 282 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.