Daily Sunspot Evaluation
Observation Sheet Monday, 22 October 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)
- 9
- Number of spots (f)
- 52
- Relative number (R)
- 142
- Observer
- FY
- Reading
- all checks consistent
- File
- 19561022.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 31 | 48 | |
| 2 | E – 21 | 17 | 26 | |
| 3 | ? – 1 | 13 | 84 | |
| 4 | A – 2 | -14 | 39 | |
| 5 | ? – 3 | -28 | 70 | |
| 6 | C – 4 | -21 | 43 | |
| 7 | D – 4 | -45 | 16 | |
| 8 | C – 9 | -10 | 54 | |
| 9 | D – 7 | 17 | 70 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.