Daily Sunspot Evaluation
Observation Sheet Tuesday, 8 January 1957
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)
- 10
- Number of spots (f)
- 90
- Relative number (R)
- 190
- Observer
- WG
- Reading
- all checks consistent
- File
- 19570108.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 28 | -16 | 16E | ||||
| 2 | B – 8 | -26 | 20E | ||||
| 3 | B – 14 | -22 | 14E | ||||
| 4 | B – 17 | -21 | 4E | ||||
| 5 | J – 2 | -15 | 3W | ||||
| 6 | B – 7 | -11 | 21W | ||||
| 7 | J – 1 | -20 | 22W | ||||
| 8 | B – 2 | -23 | 61W | ||||
| 9 | ? – 10 | 19 | 72W | ||||
| 10 | A – 1 | 28 | 54W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.