Daily Sunspot Evaluation
Observation Sheet Sunday, 26 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)
- 12
- Number of spots (f)
- 57
- Relative number (R)
- 177
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560226.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 0.87 | 36 | |
| 2 | ? – 4 | 0.96 | 84 | |
| 3 | A – 1 | 0.56 | 87 | |
| 4 | A – 1 | 0.84 | 90 | |
| 5 | A – 4 | 0.43 | 129 | |
| 6 | C – 8 | 0.3 | 180 | |
| 7 | A – 2 | 0.4 | 216 | |
| 8 | C – 3 | 0.55 | 221 | |
| 9 | ? – 1 | 0.94 | 232 | |
| 10 | ? – 3 | 0.98 | 278 | |
| 11 | E – 24 | 0.58 | 317 | |
| 12 | J – 5 | 0.53 | 337 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.