Daily Sunspot Evaluation
Observation Sheet Thursday, 11 June 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)
- 14
- Number of spots (f)
- 74
- Relative number (R)
- 214
- Observer
- AK
- Reading
- all checks consistent
- File
- 19590611.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 9 | 8 | 1E | ||||
| 2 | C – 7 | 23 | 23E | ||||
| 3 | J – 1 | 19 | 18E | ||||
| 4 | E – 19 | 13 | 17E | ||||
| 5 | J – 1 | 23 | 72E | ||||
| 6 | J – 1 | 18 | 83E | ||||
| 7 | A – 2 | 9 | 22E | ||||
| 8 | A – 1 | 3 | 18E | ||||
| 9 | J – 1 | -4 | 55E | ||||
| 10 | H – 20 | -22 | 19W | ||||
| 11 | B – 2 | -5 | 8W | ||||
| 12 | A – 3 | 6 | 74W | ||||
| 13 | C – 6 | 13 | 55W | ||||
| 14 | A – 1 | 17 | 10W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.