Daily Sunspot Evaluation
Observation Sheet Wednesday, 3 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)
- 13
- Number of spots (f)
- 83
- Relative number (R)
- 213
- Observer
- SG
- Reading
- all checks consistent
- File
- 19600203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 2 | 24 | 13E | ||||
| 2 | ? – 2 | 18 | 71E | ||||
| 3 | B – 2 | 10 | 75E | ||||
| 4 | C – 17 | -17 | 44E | ||||
| 5 | J – 1 | -23 | 32E | ||||
| 6 | B – 5 | -19 | 1W | ||||
| 7 | E – 17 | -15 | 34W | ||||
| 8 | J – 3 | 7 | 62W | ||||
| 9 | ? – 2 | 10 | 74W | ||||
| 10 | J – 2 | 9 | 45W | ||||
| 11 | J – 2 | 16 | 58W | ||||
| 12 | C – 17 | 10 | 19W | ||||
| 13 | B – 11 | 21 | 13W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.