Daily Sunspot Evaluation
Observation Sheet Sunday, 3 August 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)
- 8
- Number of spots (f)
- 10
- Relative number (R)
- 90
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800803.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 3 | 20 | 01E | 341 | 01W | - | |
| 2 | AXX – 1 | 14 | 40E | 302 | 38E | - | |
| 3 | HSX – 1 | 19 | 49W | 31 | 51W | 1 | |
| 4 | HSX – 1 | 27 | 44W | 26 | 46W | 1 | |
| 5 | AXX – 1 | -7 | 37E | 305 | 35E | - | |
| 6 | HSX – 1 | -11 | 66E | 276 | 64E | 1 | |
| 7 | HAX – 1 | -7 | 64W | 46 | 66W | 1.5 | |
| 8 | ARX – 1 | -9 | 52W | 34 | 54W | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.