Daily Sunspot Evaluation
Observation Sheet Tuesday, 22 May 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)
- 7
- Number of spots (f)
- 51
- Relative number (R)
- 121
- Observer
- AK
- Reading
- all checks consistent
- File
- 19560522.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 4 | 0.61 | 93 | |
| 2 | C – 11 | 0.62 | 102 | |
| 3 | A – 1 | 0.5 | 105 | |
| 4 | D – 21 | 0.38 | 162 | |
| 5 | ? – 1 | 0.98 | 278 | |
| 6 | C – 6 | 0.62 | 298 | |
| 7 | B – 7 | 0.58 | 309 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.