Daily Sunspot Evaluation
Observation Sheet Sunday, 7 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)
- 14
- Relative number (R)
- 84
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700607.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 18 | 67E | 286 | |||
| 2 | B – 3 | 15 | 65E | 288 | |||
| 3 | A – 3 | -8 | 39E | 314 | |||
| 4 | H – 3 | -16 | 48E | 305 | |||
| 5 | A – 1 | -20 | 71W | 64 | |||
| 6 | J – 1 | -14 | 64W | 57 | |||
| 7 | A – 1 | -8 | 35W | 28 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.