Daily Sunspot Evaluation
Observation Sheet Sunday, 16 December 1956
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)
- 10
- Number of spots (f)
- 84
- Relative number (R)
- 184
- Observer
- WG
- Reading
- all checks consistent
- File
- 19561216.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 15 | 14 | 62E | ||||
| 2 | C – 3 | -24 | 62E | ||||
| 3 | A – 2 | -17 | 13E | ||||
| 4 | E – 43 | -25 | 42W | ||||
| 5 | A – 1 | -18 | 32W | ||||
| 6 | ? – 3 | -22 | 80W | ||||
| 7 | A – 1 | -18 | 70W | ||||
| 8 | A – 2 | -13 | 75W | ||||
| 9 | A – 3 | 23 | 53W | ||||
| 10 | D – 11 | 28 | 35W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.