Daily Sunspot Evaluation
Observation Sheet Wednesday, 18 January 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)
- 6
- Number of spots (f)
- 139
- Relative number (R)
- 199
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560118.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | E – 34 | 0.59 | 12 | |
| 2 | H – 14 | 0.55 | 21 | |
| 3 | F – 71 | 0.6 | 38 | |
| 4 | ? – 8 | 0.95 | 55 | |
| 5 | B – 11 | 0.66 | 223 | |
| 6 | ? – 1 | 0.98 | 290 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.