Daily Sunspot Evaluation
Observation Sheet Saturday, 25 June 1966
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)
- 50
- Relative number (R)
- 110
- Observer
- LT
- Reading
- all checks consistent
- File
- 19660625.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 10 | 78°E | 239 | |||
| 2 | D – 14 | -23 | 5°N | 322 | |||
| 3 | B – 15 | 24 | 38°W | 355 | |||
| 4 | F – 1 | 23 | 27°W | 344 | |||
| 5 | B – 11 | 22 | 22°W | 339 | |||
| 6 | B – 7 | 27 | 17°W | 334 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.