Daily Sunspot Evaluation
Observation Sheet Saturday, 10 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)
- 22
- Number of spots (f)
- 163
- Relative number (R)
- 383
- Observer
- SG
- Reading
- all checks consistent
- File
- 19590110.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 68 | 12 | 7E | ||||
| 2 | A – 4 | 15 | 19E | ||||
| 3 | A – 1 | 24 | 30E | ||||
| 4 | A – 2 | 28 | 46E | ||||
| 5 | A – 1 | 22 | 39E | ||||
| 6 | A – 3 | 16 | 35E | ||||
| 7 | ? – 4 | 23 | 77E | ||||
| 8 | B – 2 | -11 | 37E | ||||
| 9 | A – 1 | -13 | 23E | ||||
| 10 | A – 2 | -10 | 6E | ||||
| 11 | B – 2 | -24 | 14W | ||||
| 12 | C – 13 | -13 | 11W | ||||
| 13 | H – 1 | -17 | 44W | ||||
| 14 | C – 6 | -13 | 55W | ||||
| 15 | B – 5 | -8 | 21W | ||||
| 16 | E – 9 | -8 | 36W | ||||
| 17 | B – 8 | -4 | 6W | ||||
| 18 | A – 1 | 1 | 42W | ||||
| 19 | ? – 3 | 23 | 80W | ||||
| 20 | E – 18 | 20 | 42W | ||||
| 21 | B – 8 | 18 | 27W | ||||
| 22 | J – 1 | 34 | 44W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.