Daily Sunspot Evaluation
Observation Sheet Sunday, 5 August 1951
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)
- 6
- Number of spots (f)
- 39
- Relative number (R)
- 99
- Observer
- ET
- Reading
- all checks consistent
- File
- 19510805.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | ? – 2 | 0.35 | 92 | |
| 2 | C – 30 | 0.32 | 94 | |
| 3 | A – 1 | 0.09 | 95 | |
| 4 | G – 4 | 0.86 | 97 | |
| 5 | J – 1 | 0.86 | 114 | |
| 6 | A – 1 | 0.83 | 265 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.