Daily Sunspot Evaluation
Observation Sheet Friday, 1 May 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)
- 59
- Relative number (R)
- 149
- Observer
- AK
- Reading
- all checks consistent
- File
- 19590501.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 16 | 16 | 1'E | ||||
| 2 | C – 5 | -6 | 49E | ||||
| 3 | E – 8 | -7 | 3E | ||||
| 4 | C – 3 | 9 | 71W | ||||
| 5 | C – 7 | 11 | 39W | ||||
| 6 | A – 1 | 22 | 69W | ||||
| 7 | A – 1 | 20 | 39W | ||||
| 8 | E – 16 | 13 | 29W | ||||
| 9 | C – 2 | 31 | 17W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.