Daily Sunspot Evaluation
Observation Sheet Saturday, 22 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)
- 10
- Relative number (R)
- 50
- Observer
- GA
- Reading
- all checks consistent
- File
- 19780722.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 19 | 45E | 25 | 42E | ||
| 2 | J – 2 | -25 | 51W | 121 | 54W | ||
| 3 | A – 3 | 12 | 38W | 108 | 41W | ||
| 4 | G – 4 | 17 | 43W | 113 | 46W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.