Daily Sunspot Evaluation
Observation Sheet Wednesday, 4 March 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)
- 38
- Relative number (R)
- 118
- Observer
- EH
- Reading
- all checks consistent
- File
- 19700304.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 18 | 6 | 12E | 155 | |||
| 2 | J – 1 | 19 | 70E | 97 | |||
| 3 | A – 2 | -6 | 41E | 123 | |||
| 4 | G – 5 | -11 | 45E | 122 | |||
| 5 | ? – 2 | -15 | 78E | 89 | |||
| 6 | G – 4 | -16 | 36W | 203 | |||
| 7 | J – 1 | -5 | 27W | 194 | |||
| 8 | H – 5 | 14 | 69W | 236 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.