Daily Sunspot Evaluation
Observation Sheet Wednesday, 2 April 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)
- 1
- Number of spots (f)
- 14
- Relative number (R)
- 24
- Observer
- ET
- Reading
- all checks consistent
- File
- 19520402.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 14 | 0.55 | 249 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.