Daily Sunspot Evaluation
Observation Sheet Monday, 6 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)
- 8
- Number of spots (f)
- 46
- Relative number (R)
- 126
- Observer
- KA
- Reading
- all checks consistent
- File
- 19590406.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 22 | 13 | 0 | ||||
| 2 | H – 2 | 22 | 62E | ||||
| 3 | D – 9 | 13 | 59E | ||||
| 4 | C – 4 | -22 | 47E | ||||
| 5 | B – 2 | -22 | 20W | ||||
| 6 | ? – 5 | 15 | 73W | ||||
| 7 | ? – 1 | 28 | 74W | ||||
| 8 | A – 1 | 18 | 5W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.