Daily Sunspot Evaluation
Observation Sheet Friday, 26 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)
- 15
- Number of spots (f)
- 92
- Relative number (R)
- 242
- Observer
- AB
- Reading
- all checks consistent
- File
- 19590626.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 35 | 14E | ||||
| 2 | A – 5 | 14 | 9E | ||||
| 3 | E – 13 | 19 | 19E | ||||
| 4 | A – 2 | 17 | 27E | ||||
| 5 | J – 1 | 30 | 73E | ||||
| 6 | J – 3 | -14 | 69E | ||||
| 7 | C – 12 | -15 | 27E | ||||
| 8 | A – 1 | -9 | 2E | ||||
| 9 | B – 3 | -16 | 8W | ||||
| 10 | B – 5 | -6 | 5W | ||||
| 11 | A – 1 | -9 | 60W | ||||
| 12 | D – 5 | 11 | 71W | ||||
| 13 | E – 13 | 9 | 47W | ||||
| 14 | C – 10 | 24 | 34WE | ||||
| 15 | E – 16 | 9 | 8W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.