Daily Sunspot Evaluation
Observation Sheet Monday, 1 October 1951
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)
- 3
- Number of spots (f)
- 14
- Relative number (R)
- 44
- Observer
- MH
- Reading
- all checks consistent
- File
- 19511001.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | J – 1 | 0.42 | 122 | |
| 2 | D – 11 | 0.14 | 315 | |
| 3 | A – 2 | 0.46 | 330 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.