Daily Sunspot Evaluation
Observation Sheet Saturday, 23 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)
- 13
- Number of spots (f)
- 129
- Relative number (R)
- 259
- Observer
- WG
- Reading
- all checks consistent
- File
- 19571123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 7 | 11 | 6E | ||||
| 2 | J – 2 | 20 | 11E | ||||
| 3 | A – 2 | 36 | 32E | ||||
| 4 | J – 1 | -10 | 43E | ||||
| 5 | A – 1 | -15 | 62E | ||||
| 6 | C – 10 | -14 | 47E | ||||
| 7 | D – 18 | -13 | 27E | ||||
| 8 | C – 2 | -26 | 63E | ||||
| 9 | E – 38 | -11 | 3E | ||||
| 10 | D – 4 | -26 | 65W | ||||
| 11 | ? – 3 | 12 | 75W | ||||
| 12 | D – 13 | 16 | 30W | ||||
| 13 | E – 28 | 27 | 50W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.