Daily Sunspot Evaluation
Observation Sheet Saturday, 7 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)
- 35
- Relative number (R)
- 115
- Observer
- EH
- Reading
- all checks consistent
- File
- 19700307.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 1 | 13 | 31°E | 97 | |||
| 2 | J – 1 | 14 | 53°E | 70 | |||
| 3 | A – 1 | 11 | 59°E | 69 | |||
| 4 | B – 5 | -10 | 30°E | 98 | |||
| 5 | E – 14 | -15 | 46°E | 82 | |||
| 6 | C – 4 | -14 | 23°E | 105 | |||
| 7 | H – 4 | -11 | 06°E | 122 | |||
| 8 | H – 5 | 14 | 33W | 161 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.