Daily Sunspot Evaluation
Observation Sheet Saturday, 23 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)
- 45
- Relative number (R)
- 105
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19680323.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 9 | 12 | 68E | 124 | |||
| 2 | C – 12 | -16 | 20E | 140 ⚠ | |||
| 3 | C – 8 | -24 | 36E | 156 | |||
| 4 | J – 1 | 15 | 67W | 263 | |||
| 5 | E – 12 | 10 | 20W | 218 ⚠ | |||
| 6 | H – 3 | 30 | 43W | 241 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.