Daily Sunspot Evaluation
Observation Sheet Monday, 1 September 1952
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)
- 74
- Relative number (R)
- 124
- Observer
- AK
- Reading
- all checks consistent
- File
- 19520901.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | E – 26 | 0.23 | 117 | |
| 2 | A – 4 | 0.71 | 135 | |
| 3 | E – 36 | 0.26 | 157 | |
| 4 | H – 6 | 0.78 | 269 | |
| 5 | ? – 2 | 0.98 | 300 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.