Daily Sunspot Evaluation
Observation Sheet Saturday, 23 August 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)
- 35
- Relative number (R)
- 85
- Observer
- ET
- Reading
- all checks consistent
- File
- 19520823.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 16 | 0.64 | 101 | |
| 2 | A – 3 | 0.75 | 104 | |
| 3 | C – 9 | 0.93 | 125 | |
| 4 | B – 5 | 0.43 | 240 | |
| 5 | A – 2 | 0.91 | 293 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.