Daily Sunspot Evaluation
Observation Sheet Saturday, 9 November 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)
- 19
- Number of spots (f)
- 91
- Relative number (R)
- 281
- Observer
- WG
- Reading
- all checks consistent
- File
- 19571109.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 22 | 14E | ||||
| 2 | E – 26 | 19 | 38E | ||||
| 3 | C – 6 | 19 | 57E | ||||
| 4 | A – 2 | -14 | 70E | ||||
| 5 | E – 7 | -23 | 72E | ||||
| 6 | C – 3 | -16 | 24E | ||||
| 7 | C – 3 | -31 | 12E | ||||
| 8 | B – 3 | -5 | 2W | ||||
| 9 | G – 17 | -19 | 36W | ||||
| 10 | J – 1 | -18 | 48W | ||||
| 11 | J – 1 | -14 | 54W | ||||
| 12 | A – 2 | 14 | 77W | ||||
| 13 | B – 4 | 14 | 29W | ||||
| 14 | A – 3 | 19 | 23W | ||||
| 15 | B – 4 | 27 | 20W | ||||
| 16 | B – 3 | 32 | 24W | ||||
| 17 | A – 2 | 18 | 10W | ||||
| 18 | J – 2 | 26 | 2W | ||||
| 19 | J – 1 | 15 | 1W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.