Daily Sunspot Evaluation
Observation Sheet Tuesday, 25 July 1978
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)
- 2
- Number of spots (f)
- 6
- Relative number (R)
- 26
- Observer
- SK
- Reading
- all checks consistent
- File
- 19780725.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 5 | 24 | 19E | 12 | 16E | 8764 | |
| 2 | ? – 1 | -25 | 68W | 99 | 71W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.