Daily Sunspot Evaluation
Observation Sheet Wednesday, 24 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)
- 4
- Number of spots (f)
- 31
- Relative number (R)
- 71
- Observer
- AK
- Reading
- all checks consistent
- File
- 19520924.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | D – 25 | 0.6 | 120 | |
| 2 | J – 3 | 0.83 | 127 | |
| 3 | J – 2 | 0.37 | 211 | |
| 4 | A – 1 | 0.04 | 222 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.