Daily Sunspot Evaluation
Observation Sheet Saturday, 11 March 1967
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)
- 5
- Number of spots (f)
- 43
- Relative number (R)
- 93
- Observer
- SB
- Reading
- all checks consistent
- File
- 19670311.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 25 | 57E | 83 | |||
| 2 | A – 2 | -15 | 4W | 144 | |||
| 3 | E – 27 | 18 | 22W | 162 | |||
| 4 | A – 1 | 17 | 50W | 190 | |||
| 5 | G – 11 | 26 | 31W | 171 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.