Daily Sunspot Evaluation
Observation Sheet Friday, 8 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)
- 8
- Number of spots (f)
- 51
- Relative number (R)
- 131
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19700508.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 26 | 17 | 20E | 10 | |||
| 2 | H – 11 | 13 | 27E | 3 | |||
| 3 | J – 3 | -21 | 40W | 70 | |||
| 4 | H – 1 | -13 | 31W | 61 | |||
| 5 | J – 2 | -12 | 67W | 97 | |||
| 6 | J – 1 | -13 | 83W | 113 | |||
| 7 | A – 1 | -3 | 07W | 37 | |||
| 8 | H – 6 | 13 | 26W | 56 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.