Daily Sunspot Evaluation
Observation Sheet Monday, 29 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)
- 71
- Relative number (R)
- 141
- Observer
- EH
- Reading
- all checks consistent
- File
- 19700629.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 32 | 23 | 23E | 39 | |||
| 2 | J – 1 | 9 | 61E | 1 | |||
| 3 | J – 7 | -2 | 51E | 11 | |||
| 4 | H – 5 | -7 | 64E | 358 | |||
| 5 | G – 10 | -7 | 16E | 46 | |||
| 6 | D – 5 | -10 | 09E | 53 | |||
| 7 | D – 11 | 4 | 14W | 76 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.