Daily Sunspot Evaluation
Observation Sheet Tuesday, 2 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)
- 14
- Number of spots (f)
- 71
- Relative number (R)
- 211
- Observer
- ET
- Reading
- all checks consistent
- File
- 19600202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 25 | 22E | ||||
| 2 | ? – 1 | 19 | 85E | ||||
| 3 | C – 14 | -12 | 58E | ||||
| 4 | J – 1 | -23 | 45E | ||||
| 5 | B – 4 | -12 | 5W | ||||
| 6 | E – 19 | -15 | 22W | ||||
| 7 | H – 4 | 9 | 59W | ||||
| 8 | H – 4 | 6 | 48W | ||||
| 9 | ? – 1 | 20 | 77W | ||||
| 10 | A – 1 | 24 | 71W | ||||
| 11 | J – 2 | 15 | 45W | ||||
| 12 | J – 1 | 9 | 34W | ||||
| 13 | H – 5 | 9 | 9W | ||||
| 14 | C – 13 | 20 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.