Daily Sunspot Evaluation
Observation Sheet Friday, 22 January 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)
- 9
- Number of spots (f)
- 73
- Relative number (R)
- 163
- Observer
- FY
- Reading
- all checks consistent
- File
- 19600122.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 10 | 13 | 5E | ||||
| 2 | ? – 2 | 10 | 72E | ||||
| 3 | C – 4 | -8 | 52E | ||||
| 4 | A – 5 | -14 | 35W | ||||
| 5 | A – 1 | 7 | 45W | ||||
| 6 | B – 11 | 15 | 29W | ||||
| 7 | A – 7 | 7 | 12W | ||||
| 8 | E – 29 | 28 | 7W | ||||
| 9 | A – 4 | 12 | 3W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.