Daily Sunspot Evaluation
Observation Sheet Thursday, 7 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)
- 17
- Number of spots (f)
- 52
- Relative number (R)
- 222
- Observer
- WG
- Reading
- all checks consistent
- File
- 19571107.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 6 | 34 | 0 | ||||
| 2 | J – 1 | 22 | 3E | ||||
| 3 | B – 4 | 19 | 14E | ||||
| 4 | J – 1 | 26 | 23E | ||||
| 5 | J – 2 | 16 | 26E | ||||
| 6 | J – 1 | 23 | 40E | ||||
| 7 | A – 1 | 19 | 40E | ||||
| 8 | E – 13 | 20 | 63E | ||||
| 9 | A – 1 | -9 | 54E | ||||
| 10 | A – 1 | -16 | 51E | ||||
| 11 | A – 1 | -30 | 41E | ||||
| 12 | A – 1 | -35 | 51E | ||||
| 13 | J – 2 | -32 | 36E | ||||
| 14 | D – 14 | -16 | 16W | ||||
| 15 | J – 1 | -13 | 28W | ||||
| 16 | J – 1 | 14 | 50W | ||||
| 17 | J – 1 | 27 | 80W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.