Daily Sunspot Evaluation
Observation Sheet Wednesday, 29 June 1960
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)
- 84
- Relative number (R)
- 184
- Observer
- AB
- Reading
- all checks consistent
- File
- 19600629.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 19 | 29 | 35E | ||||
| 2 | E – 16 | 9 | 60E | ||||
| 3 | D – 18 | -15 | 17E | ||||
| 4 | C – 9 | -7 | 9E | ||||
| 5 | A – 5 | -4 | 3E | ||||
| 6 | B – 5 | -9 | 6W | ||||
| 7 | A – 1 | -18 | 72W | ||||
| 8 | A – 1 | 11 | 58W | ||||
| 9 | H – 7 | 19 | 48W | ||||
| 10 | H – 3 | 8 | 3W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.