Daily Sunspot Evaluation
Observation Sheet Saturday, 5 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)
- 17
- Number of spots (f)
- 108
- Relative number (R)
- 278
- Observer
- WG
- Reading
- all checks consistent
- File
- 19570105.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 15 | 28E | ||||
| 2 | C – 12 | -14 | 42E | ||||
| 3 | A – 3 | -17 | 57E | ||||
| 4 | B – 11 | -20 | 43E | ||||
| 5 | H – 17 | -24 | 54E | ||||
| 6 | A – 1 | -29 | 65E | ||||
| 7 | J – 2 | -20 | 18E | ||||
| 8 | A – 3 | -17 | 5E | ||||
| 9 | J – 1 | -22 | 40W | ||||
| 10 | B – 2 | -22 | 49W | ||||
| 11 | C – 3 | -18 | 63W | ||||
| 12 | C – 5 | -16 | 53W | ||||
| 13 | A – 1 | 24 | 54W | ||||
| 14 | C – 5 | 27 | 61W | ||||
| 15 | A – 2 | 34 | 70W | ||||
| 16 | A – 2 | 31 | 55W | ||||
| 17 | F – 36 | 19 | 30W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.