Daily Sunspot Evaluation
Observation Sheet Saturday, 27 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)
- 66
- Relative number (R)
- 136
- Observer
- EH
- Reading
- all checks consistent
- File
- 19700627.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 29 | 22 | 49E | 39 | |||
| 2 | J – 5 | 4 | 15E | 73 | |||
| 3 | D – 5 | -7 | 41E | 47 | |||
| 4 | A – 3 | -4 | 58W | 146 | |||
| 5 | G – 17 | 7 | 14W | 102 | |||
| 6 | J – 1 | 19 | 74W | 162 | |||
| 7 | C – 6 | 22 | 09W | 97 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.