Daily Sunspot Evaluation
Observation Sheet Sunday, 10 May 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)
- 11
- Number of spots (f)
- 53
- Relative number (R)
- 163
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700510.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 4 | 20 | 65E | 297 | |||
| 2 | A – 2 | 10 | 46E | 316 | |||
| 3 | J – 6 | 1 | 75E | 287 | |||
| 4 | ? – 1 | -7 | 83E | 279 | |||
| 5 | B – 6 | -13 | 06E | 356 | |||
| 6 | B – 7 | -26 | 19W | 21 | |||
| 7 | J – 1 | -22 | 69W | 71 | |||
| 8 | H – 4 | -13 | 58W | 60 | |||
| 9 | H – 2 | 13 | 53W | 55 | |||
| 10 | E – 18 | 16 | 09W | 11 | |||
| 11 | J – 2 | 14 | 01W | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.