Daily Sunspot Evaluation
Observation Sheet Monday, 24 February 1958
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)
- 7
- Number of spots (f)
- 42
- Relative number (R)
- 112
- Observer
- FY
- Reading
- all checks consistent
- File
- 19580224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 5 | 30 | 53E | ||||
| 2 | B – 4 | -14 | 14E | ||||
| 3 | D – 8 | -12 | 6W | ||||
| 4 | H – 5 | -25 | 14W | ||||
| 5 | E – 7 | -22 | 38W | ||||
| 6 | G – 10 | -14 | 29W | ||||
| 7 | C – 3 | -6 | 52W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.