Daily Sunspot Evaluation
Observation Sheet Tuesday, 4 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)
- 4
- Number of spots (f)
- 25
- Relative number (R)
- 65
- Observer
- GA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19780704.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 3 | 19 | 26E | 282 | 23E | ||
| 2 | A – 1 | -19 | 14E | 294 | 11E | ||
| 3 | C – 8 | -25 | 13W | 321 | 16W | ||
| 4 | D – 13 | 26 | 10W | 328 ⚠ | 23W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.