Daily Sunspot Evaluation
Observation Sheet Friday, 14 April 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)
- 3
- Number of spots (f)
- 4
- Relative number (R)
- 34
- Observer
- DK
- Reading
- all checks consistent
- File
- 19670414.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 1 | 25 | 17°E | 345 | |||
| 2 | H – 2 | 23 | 64°W | 116 | |||
| 3 | J – 1 | 14 | 04°W | 51 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.