Daily Sunspot Evaluation
Observation Sheet Wednesday, 8 April 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)
- 9
- Number of spots (f)
- 79
- Relative number (R)
- 169
- Observer
- ET
- Reading
- all checks consistent
- File
- 19590408.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 10 | 0 | ||||
| 2 | C – 12 | 23 | 37E | ||||
| 3 | E – 19 | 13 | 30E | ||||
| 4 | ? – 6 | 10 | 75E | ||||
| 5 | A – 3 | 1 | 58E | ||||
| 6 | ? – 3 | -16 | 76E | ||||
| 7 | D – 17 | -21 | 20E | ||||
| 8 | D – 13 | 12 | 26W | ||||
| 9 | A – 3 | 16 | 35W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.