Daily Sunspot Evaluation
Observation Sheet Friday, 3 July 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)
- 10
- Number of spots (f)
- 146
- Relative number (R)
- 246
- Observer
- MA
- Reading
- all checks consistent
- File
- 19700703.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 23 | 9 | 08E | 1 | |||
| 2 | C – 7 | 12 | 59E | 310 | |||
| 3 | D – 19 | -9 | 54E | 315 | |||
| 4 | H – 29 | -8 | 10E | 359 | |||
| 5 | D – 30 | -4 | 06W | 15 | |||
| 6 | G – 12 | -8 | 38W | 47 | |||
| 7 | G – 2 | 3 | 68W | 77 | |||
| 8 | G – 4 | 13 | 48W | 57 | |||
| 9 | E – 16 | 20 | 35W | 44 | |||
| 10 | H – 4 | 23 | 25W | 34 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.