Daily Sunspot Evaluation
Observation Sheet Thursday, 30 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)
- 11
- Number of spots (f)
- 119
- Relative number (R)
- 229
- Observer
- FY
- Reading
- all checks consistent
- File
- 19600630.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 26 | 29 | 29E | ||||
| 2 | B – 3 | 35 | 35E | ||||
| 3 | F – 41 | 8 | 47E | ||||
| 4 | ? – 1 | 3 | 80E | ||||
| 5 | A – 1 | -15 | 61E | ||||
| 6 | C – 20 | -16 | 4E | ||||
| 7 | H – 2 | -9 | 5W | ||||
| 8 | A – 4 | -7 | 11W | ||||
| 9 | A – 1 | 11 | 72W | ||||
| 10 | H – 4 | 8 | 16W | ||||
| 11 | H – 16 | 20 | 59W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.