Daily Sunspot Evaluation
Observation Sheet Wednesday, 30 September 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)
- 9
- Number of spots (f)
- 36
- Relative number (R)
- 126
- Observer
- FY
- Reading
- all checks consistent
- File
- 19590930.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 9 | 18 | 9E | ||||
| 2 | C – 3 | 14 | 22E | ||||
| 3 | B – 4 | 8 | 16E | ||||
| 4 | ? – 1 | -18 | 73E | ||||
| 5 | A – 1 | 4 | 8E | ||||
| 6 | C – 4 | -5 | 3W | ||||
| 7 | E – 9 | -9 | 72W | ||||
| 8 | A – 3 | 9 | 24W | ||||
| 9 | A – 2 | 26 | 70W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.