Daily Sunspot Evaluation
Observation Sheet Saturday, 29 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)
- 5
- Number of spots (f)
- 11
- Relative number (R)
- 61
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19780729.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 3 | 37 | 63E | 275 | 60E | ||
| 2 | C – 4 | 19 | 46E | 292 | 43E | ||
| 3 | D – 1 | 21 | 65E | 273 | 62E | ||
| 4 | D – 1 | -20 | 71E | 267 | 68E | ||
| 5 | A – 2 | 27 | 32W | 10 | 35W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.