Daily Sunspot Evaluation
Observation Sheet Tuesday, 24 February 1959
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)
- 13
- Number of spots (f)
- 82
- Relative number (R)
- 212
- Observer
- MH
- Reading
- all checks consistent
- File
- 19590224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 13 | 17 | 3E | ||||
| 2 | A – 6 | 22 | 28E | ||||
| 3 | A – 6 | 7 | 55E | ||||
| 4 | C – 10 | -33 | 24E | ||||
| 5 | A – 1 | -17 | 34W | ||||
| 6 | F – 1 | 8 | 62W | ||||
| 7 | A – 1 | 11 | 61W | ||||
| 8 | H – 1 | 10 | 33W | ||||
| 9 | ? – 2 | 27 | 71W | ||||
| 10 | E – 24 | 17 | 40W | ||||
| 11 | ? – 1 | 29 | 69W | ||||
| 12 | D – 10 | 28 | 31W | ||||
| 13 | C – 6 | 21 | 2W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.