Daily Sunspot Evaluation
Observation Sheet Thursday, 12 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)
- 4
- Number of spots (f)
- 42
- Relative number (R)
- 82
- Observer
- AK
- Reading
- all checks consistent
- File
- 19560112.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | J – 2 | 0.68 | 128 | |
| 2 | D – 26 | 0.36 | 181 | |
| 3 | A – 6 | 0.73 | 238 | |
| 4 | C – 8 | 0.47 | 355 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.