Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 October 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)
- 8
- Number of spots (f)
- 62
- Relative number (R)
- 142
- Observer
- SG
- Reading
- all checks consistent
- File
- 19601019.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 42 | 20 | 27E | ||||
| 2 | A – 2 | -11 | 54E | ||||
| 3 | C – 7 | -12 | 12E | ||||
| 4 | A – 1 | -10 | 2E | ||||
| 5 | B – 2 | -19 | 2E | ||||
| 6 | H – 2 | -14 | 48W | ||||
| 7 | A – 1 | -7 | 50W | ||||
| 8 | B – 5 | 16 | 66W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.