Daily Sunspot Evaluation
Observation Sheet Saturday, 2 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)
- 47
- Relative number (R)
- 127
- Observer
- EH
- Reading
- all checks consistent
- File
- 19700502.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 1 | 12 | 51E | 55 | |||
| 2 | H – 4 | -14 | 48E | 58 | |||
| 3 | J – 1 | -18 | 27E | 79 | |||
| 4 | J – 1 | -23 | 36E | 70 | |||
| 5 | D – 13 | -13 | 06W | 112 | |||
| 6 | H – 6 | -11 | 17W | 123 | |||
| 7 | D – 7 | -17 | 55W | 161 | |||
| 8 | D – 14 | 18 | 29W | 135 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.