Daily Sunspot Evaluation
Observation Sheet Wednesday, 10 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)
- 5
- Number of spots (f)
- 52
- Relative number (R)
- 102
- Observer
- HA
- Reading
- all checks consistent
- File
- 19700610.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 25 | 16 | 24°E | 285 | |||
| 2 | E – 12 | 15 | 50°E | 263 | |||
| 3 | A – 2 | 11 | 15°E | 298 | |||
| 4 | H – 6 | -16 | 08°E | 304 | |||
| 5 | A – 7 | -13 | 40°W | 353 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.