Daily Sunspot Evaluation
Observation Sheet Saturday, 28 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)
- 5
- Number of spots (f)
- 25
- Relative number (R)
- 75
- Observer
- WG
- Reading
- all checks consistent
- File
- 19560128.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | A – 1 | 0.45 | 3 | |
| 2 | C – 12 | 0.56 | 16 | |
| 3 | C – 8 | 0.22 | 141 | |
| 4 | H – 3 | 0.9 | 290 | |
| 5 | A – 1 | 0.59 | 310 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.