Daily Sunspot Evaluation
Observation Sheet Friday, 2 November 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)
- 5
- Number of spots (f)
- 35
- Relative number (R)
- 85
- Observer
- AK
- Reading
- all checks consistent
- File
- 19511102.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 0.27 | 47 | |
| 2 | C – 13 | 0.27 | 232 | |
| 3 | D – 16 | 0.39 | 259 | |
| 4 | A – 4 | 0.83 | 306 | |
| 5 | J – 1 | 0.23 | 334 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.