Daily Sunspot Evaluation
Observation Sheet Monday, 28 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)
- 8
- Number of spots (f)
- 72
- Relative number (R)
- 152
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560528.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | B – 9 | 0.83 | 34 | |
| 2 | ? – 4 | 0.99 | 50 | |
| 3 | ? – 1 | 0.97 | 55 | |
| 4 | E – 15 | 0.82 | 91 | |
| 5 | B – 10 | 0.58 | 99 | |
| 6 | B – 5 | 0.5 | 208 | |
| 7 | E – 27 | 0.71 | 226 | |
| 8 | ? – 1 | 0.98 | 228 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



