Daily Sunspot Evaluation
Observation Sheet Saturday, 5 July 1980
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)
- 51
- Relative number (R)
- 111
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800705.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 23 | 81E | 285 | 79E | ||
| 2 | ? – 1 | -17 | 82E | 284 | 80E | 4 | |
| 3 | HAX – 1 | 18 | 64W | 70 | 66W | 1.5 | |
| 4 | EKI – 28 | 28 | 22W | 28 | 24W | 12 | |
| 5 | CAO – 10 | -19 | 58W | 64 | 60W | 12 | |
| 6 | CAI – 10 | -6 | 22W | 28 | 24W | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.