Daily Sunspot Evaluation
Observation Sheet Saturday, 4 October 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)
- 12
- Relative number (R)
- 62
- Observer
- ET
- Reading
- all checks consistent
- File
- 19521004.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | ? – 3 | 0.58 | 105 | |
| 2 | A – 2 | 0.32 | 173 | |
| 3 | J – 1 | 0.26 | 205 | |
| 4 | J – 3 | 0.2 | 213 | |
| 5 | ? – 3 | 0.97 | 289 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.