Daily Sunspot Evaluation
Observation Sheet Saturday, 6 September 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)
- 9
- Number of spots (f)
- 132
- Relative number (R)
- 222
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800906.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 27 | 11 | 46W | 299 | 48W | 13 | |
| 2 | EKC – 40 | 22 | 17W | 270 | 19W | 11 | |
| 3 | AXX – 1 | 10 | 14W | 267 | 16W | ||
| 4 | BXO – 15 | 17 | 03E | 250 | 01E | 8.5 | |
| 5 | HHX – 3 | 26 | 19E | 234 | 17E | 3 | |
| 6 | DSE – 23 | 15 | 26E | 227 | 24E | 10.5 | |
| 7 | DKI – 17 | -8 | 50W | 303 | 52W | 10.5 | |
| 8 | HSX – 1 | -5 | 36W | 289 | 38W | 2 | |
| 9 | ARX – 5 | -26 | 25E | 228 | 23E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.