Daily Sunspot Evaluation
Observation Sheet Tuesday, 9 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)
- 11
- Number of spots (f)
- 120
- Relative number (R)
- 230
- Observer
- ET
- Reading
- all checks consistent
- File
- 19590609.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 17 | 12E | ||||
| 2 | C – 7 | 22 | 49E | ||||
| 3 | J – 1 | 18 | 43E | ||||
| 4 | C – 27 | 14 | 46E | ||||
| 5 | C – 6 | 7 | 28E | ||||
| 6 | ? – 1 | -5 | 85E | ||||
| 7 | F – 30 | -22 | 6E | ||||
| 8 | E – 26 | -12 | 66W | ||||
| 9 | T – 3 | 6 | 45W | ||||
| 10 | D – 16 | 13 | 28W | ||||
| 11 | A – 1 | 6 | 7W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.