Daily Sunspot Evaluation
Observation Sheet Sunday, 4 January 1959
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)
- 16
- Number of spots (f)
- 146
- Relative number (R)
- 306
- Observer
- AK
- Reading
- all checks consistent
- File
- 19590104.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 4 | 33 | 33E | ||||
| 2 | C – 4 | 12 | 14E | ||||
| 3 | E – 28 | 18 | 39E | ||||
| 4 | ? – 1 | 13 | 89E | ||||
| 5 | D – 16 | -8 | 47E | ||||
| 6 | D – 7 | -13 | 69E | ||||
| 7 | E – 32 | -15 | 30E | ||||
| 8 | D – 23 | -14 | 4W | ||||
| 9 | D – 6 | -15 | 16W | ||||
| 10 | B – 3 | -29 | 52W | ||||
| 11 | H – 1 | -5 | 44W | ||||
| 12 | A – 1 | 5 | 45W | ||||
| 13 | J – 1 | 7 | 64W | ||||
| 14 | ? – 3 | 11 | 80W | ||||
| 15 | D – 9 | 22 | 56W | ||||
| 16 | B – 7 | 20 | 7W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.