Daily Sunspot Evaluation
Observation Sheet Friday, 1 July 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)
- 11
- Number of spots (f)
- 130
- Relative number (R)
- 240
- Observer
- ET
- Reading
- all checks consistent
- File
- 19600701.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 30 | 28 | 9E | ||||
| 2 | ? – 1 | 25 | 82E | ||||
| 3 | F – 56 | 8 | 32E | ||||
| 4 | A – 1 | 3 | 65E | ||||
| 5 | D – 16 | -15 | 10W | ||||
| 6 | C – 5 | -9 | 16W | ||||
| 7 | A – 1 | 6 | 45W | ||||
| 8 | H – 3 | 8 | 30W | ||||
| 9 | A – 1 | 5 | 23W | ||||
| 10 | ? – 13 | 19 | 75W | ||||
| 11 | A – 3 | 12 | 15W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.