Daily Sunspot Evaluation
Observation Sheet Wednesday, 24 June 1970
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)
- 7
- Number of spots (f)
- 47
- Relative number (R)
- 117
- Observer
- HA
- Reading
- all checks consistent
- File
- 19700624.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 15 | 22 | 33E | 95 | |||
| 2 | D – 15 | 10 | 30E | 98 | |||
| 3 | J – 2 | -15 | 34W | 162 | |||
| 4 | G – 8 | -4 | 16W | 144 | |||
| 5 | J – 4 | -9 | 57W | 185 | |||
| 6 | J – 1 | 19 | 34W | 162 | |||
| 7 | A – 2 | 21 | 09W | 137 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.