Daily Sunspot Evaluation
Observation Sheet Tuesday, 3 December 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)
- 15
- Number of spots (f)
- 96
- Relative number (R)
- 246
- Observer
- AK
- Reading
- all checks consistent
- File
- 19571203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 17 | 13E | ||||
| 2 | A – 2 | 26 | 66E | ||||
| 3 | D – 5 | 7 | 48E | ||||
| 4 | A – 1 | -28 | 46E | ||||
| 5 | B – 3 | -12 | 13E | ||||
| 6 | A – 2 | -27 | 32E | ||||
| 7 | B – 4 | -29 | 3E | ||||
| 8 | E – 42 | -18 | 1E | ||||
| 9 | A – 1 | -22 | 9W | ||||
| 10 | J – 1 | -7 | 8W | ||||
| 11 | F – 17 | -18 | 46W | ||||
| 12 | A – 2 | -12 | 30W | ||||
| 13 | A – 5 | -9 | 40W | ||||
| 14 | D – 9 | 15 | 35W | ||||
| 15 | A – 1 | 10 | 19W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.