Daily Sunspot Evaluation
Observation Sheet Monday, 24 September 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)
- 6
- Number of spots (f)
- 59
- Relative number (R)
- 119
- Observer
- WG
- Reading
- all checks consistent
- File
- 19510924.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 3 | 0.03 | 45 | |
| 2 | A – 2 | 0.82 | 111 | |
| 3 | B – 4 | 0.4 | 300 | |
| 4 | C – 22 | 0.17 | 302 | |
| 5 | G – 12 | 0.82 | 305 | |
| 6 | G – 16 | 0.38 | 322 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.