Daily Sunspot Evaluation
Observation Sheet Monday, 11 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)
- 10
- Number of spots (f)
- 252
- Relative number (R)
- 352
- Observer
- KA
- Reading
- all checks consistent
- File
- 19590511.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 33 | 27 | 4E | ||||
| 2 | F – 94 | 16 | 41E | ||||
| 3 | H – 2 | 19 | 57E | ||||
| 4 | E – 20 | 12 | 46E | ||||
| 5 | A – 2 | 18 | 60E | ||||
| 6 | A – 3 | 22 | 33E | ||||
| 7 | E – 22 | -18 | 6W | ||||
| 8 | E – 28 | -14 | 24W | ||||
| 9 | J – 1 | 14 | 36W | ||||
| 10 | F – 47 | 11 | 12W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



