Daily Sunspot Evaluation
Observation Sheet Sunday, 10 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)
- 16
- Relative number (R)
- 66
- Observer
- MH
- Reading
- all checks consistent
- File
- 19520810.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | E – 12 | 0.74 | 92 | |
| 2 | J – 1 | 0.16 | 94 | |
| 3 | J – 1 | 0.4 | 140 | |
| 4 | A – 1 | 0.26 | 150 | |
| 5 | ? – 1 | 0.88 | 286 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.