Daily Sunspot Evaluation
Observation Sheet Monday, 23 April 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)
- 37
- Relative number (R)
- 87
- Observer
- WG
- Reading
- all checks consistent
- File
- 19560423.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | J – 2 | 0.56 | 25 | |
| 2 | J – 1 | 0.93 | 38 | |
| 3 | A – 1 | 0.44 | 289 | |
| 4 | E – 16 | 0.53 | 312 | |
| 5 | C – 17 | 0.6 | 322 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.