Daily Sunspot Evaluation
Observation Sheet Monday, 12 March 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)
- 8
- Number of spots (f)
- 33
- Relative number (R)
- 113
- Observer
- KA
- Reading
- all checks consistent
- File
- 19560312.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | B – 2 | 0.68 | 26 | |
| 2 | ? – 16 | 0.32 | 38 | |
| 3 | A – 1 | 0.67 | 84 | |
| 4 | H – 2 | 0.9 | 85 | |
| 5 | J – 1 | 0.85 | 282 | |
| 6 | H – 2 | 0.86 | 306 | |
| 7 | B – 5 | 0.59 | 314 | |
| 8 | B – 4 | 0.71 | 321 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.