Daily Sunspot Evaluation
Observation Sheet Friday, 27 July 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)
- 5
- Number of spots (f)
- 43
- Relative number (R)
- 93
- Observer
- FY
- Reading
- all checks consistent
- File
- 19560727.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 10 | 26 | 54 | |
| 2 | ? – 4 | -25 | 69 | |
| 3 | ? – 1 | -32 | 74 | |
| 4 | E – 18 | -22 | 2 | |
| 5 | D – 10 | 26 | 22 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.