Daily Sunspot Evaluation
Observation Sheet Friday, 16 June 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)
- 5
- Relative number (R)
- 55
- Observer
- DK
- Reading
- counts consistent, some coordinates doubtful
- File
- 19670616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 25 | 68E | 232 | |||
| 2 | J – 1 | 19 | 61E | 239 | |||
| 3 | ? – 1 | -20 | 85E | 215 | |||
| 4 | J – 1 | -21 | 45E | 255 | |||
| 5 | A – 1 | -6 | 43W | 323 ⚠ |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.