Daily Sunspot Evaluation
Observation Sheet Wednesday, 4 March 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)
- 11
- Number of spots (f)
- 92
- Relative number (R)
- 202
- Observer
- ET
- Reading
- all checks consistent
- File
- 19590304.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 17 | 12 | 11E | ||||
| 2 | A – 4 | 26 | 24E | ||||
| 3 | J – 1 | 24 | 64E | ||||
| 4 | E – 15 | -11 | 41E | ||||
| 5 | D – 26 | -23 | 12E | ||||
| 6 | ? – 1 | -34 | 83W | ||||
| 7 | A – 1 | -5 | 35W | ||||
| 8 | A – 7 | -1 | 25W | ||||
| 9 | ? – 2 | 15 | 73W | ||||
| 10 | ? – 14 | 24 | 71W | ||||
| 11 | A – 4 | -3 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.