Daily Sunspot Evaluation
Observation Sheet Thursday, 5 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)
- 50
- Relative number (R)
- 130
- Observer
- SM
- Reading
- all checks consistent
- File
- 19700305.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 19 | 57E | 96 | |||
| 2 | H – 9 | -11 | 31E | 122 | |||
| 3 | J – 5 | -10 | 58E | 95 | |||
| 4 | G – 9 | -14 | 71E | 82 | |||
| 5 | A – 1 | -13 | 47E | 106 | |||
| 6 | C – 6 | -15 | 51W | 204 | |||
| 7 | A – 1 | -5 | 41W | 194 | |||
| 8 | G – 17 | 6 | 04W | 157 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.