Daily Sunspot Evaluation
Observation Sheet Tuesday, 3 January 1961
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)
- 7
- Number of spots (f)
- 111
- Relative number (R)
- 181
- Observer
- ET
- Reading
- all checks consistent
- File
- 19610103.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 19 | 22 | 41E | ||||
| 2 | ? – 1 | -11 | 82E | ||||
| 3 | A – 6 | -14 | 30E | ||||
| 4 | A – 5 | -6 | 23W | ||||
| 5 | D – 8 | 9 | 68W | ||||
| 6 | F – 71 | 16 | 31W | ||||
| 7 | A – 1 | 21 | 6W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.