Daily Sunspot Evaluation
Observation Sheet Wednesday, 8 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)
- 74
- Relative number (R)
- 134
- Observer
- MH
- Reading
- all checks consistent
- File
- 19510808.jpg
Sunspot groups
| No | Group (class – spots) | r | p | Margin no. |
|---|---|---|---|---|
| 1 | D – 25 | 0.48 | 96 | |
| 2 | J – 1 | 0.25 | 100 | |
| 3 | ? – 6 | 0.95 | 118 | |
| 4 | J – 1 | 0.39 | 137 | |
| 5 | B – 10 | 0.45 | 140 | |
| 6 | D – 31 | 0.36 | 290 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.