Daily Sunspot Evaluation
Observation Sheet Sunday, 10 March 1968
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)
- 6
- Number of spots (f)
- 41
- Relative number (R)
- 101
- Observer
- SM
- Reading
- all checks consistent
- File
- 19680310.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 15 | 18 | 8°E | 355 | |||
| 2 | A – 11 | -14 | 46°E | 317 | |||
| 3 | B – 3 | -8 | 1°E | 2 | |||
| 4 | H – 4 | -22 | 44°W | 47 | |||
| 5 | B – 6 | -17 | 37°W | 40 | |||
| 6 | A – 2 | -8 | 30°W | 33 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.