Daily Sunspot Evaluation
Observation Sheet Friday, 22 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)
- 7
- Number of spots (f)
- 51
- Relative number (R)
- 121
- Observer
- LT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19680322.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 12 | 75E | 130 | |||
| 2 | G – 3 | -12 | 35E | 170 | |||
| 3 | A – 1 | -13 | 24E | 181 | |||
| 4 | D – 12 | -24 | 48E | 152 ⚠ | |||
| 5 | H – 4 | 16 | 58W | 263 | |||
| 6 | H – 3 | 32 | 38W | 243 | |||
| 7 | D – 25 | 10 | 7W | 212 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.