Daily Sunspot Evaluation
Observation Sheet Wednesday, 28 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)
- 10
- Number of spots (f)
- 68
- Relative number (R)
- 168
- Observer
- ET
- Reading
- all checks consistent
- File
- 19560328.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | C – 10 | 0.55 | 85 | |
| 2 | J – 2 | 0.79 | 88 | |
| 3 | B – 22 | 0.33 | 147 | |
| 4 | A – 2 | 0.48 | 187 | |
| 5 | A – 2 | 0.43 | 189 | |
| 6 | B – 3 | 0.51 | 205 | |
| 7 | J – 3 | 0.94 | 221 | |
| 8 | C – 9 | 0.8 | 293 | |
| 9 | A – 1 | 0.47 | 327 | |
| 10 | C – 14 | 0.6 | 356 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.