Daily Sunspot Evaluation
Observation Sheet Sunday, 28 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)
- 58
- Relative number (R)
- 168
- Observer
- KA
- Reading
- all checks consistent
- File
- 19590628.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 1 | 29 | 44E | ||||
| 2 | A – 1 | 31 | 52E | ||||
| 3 | C – 4 | -13 | 43E | ||||
| 4 | A – 1 | -23 | 45E | ||||
| 5 | C – 6 | -16 | 2W | ||||
| 6 | A – 1 | -36 | 50W | ||||
| 7 | E – 13 | 9 | 28W | ||||
| 8 | E – 4 | 10 | 75W | ||||
| 9 | A – 1 | 25 | 63W | ||||
| 10 | E – 12 | 27 | 15W | ||||
| 11 | E – 14 | 20 | 7W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.