Daily Sunspot Evaluation
Observation Sheet Friday, 5 February 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)
- 12
- Number of spots (f)
- 64
- Relative number (R)
- 184
- Observer
- FY
- Reading
- all checks consistent
- File
- 19600205.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 9 | 13E | ||||
| 2 | D – 4 | 18 | 43E | ||||
| 3 | ? – 1 | 21 | 82E | ||||
| 4 | D – 17 | -14 | 14E | ||||
| 5 | A – 1 | -19 | 22E | ||||
| 6 | H – 1 | -23 | 6E | ||||
| 7 | D – 11 | -16 | 9W | ||||
| 8 | E – 11 | -16 | 62W | ||||
| 9 | ? – 1 | 9 | 76W | ||||
| 10 | C – 10 | 10 | 48W | ||||
| 11 | C – 5 | 21 | 38W | ||||
| 12 | J – 1 | 25 | 16W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



