Daily Sunspot Evaluation
Observation Sheet Monday, 6 October 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)
- 48
- Relative number (R)
- 138
- Observer
- ED
- Reading
- all checks consistent
- File
- 19801006.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 20 | 14 | 33W | 251 | 36W | 7 | |
| 2 | BXI – 6 | 15 | 02W | 220 | 05W | 5.5 | |
| 3 | EKC – 13 | 15 | 72E | 146 | 69E | 15 | |
| 4 | HAX – 2 | -25 | 24E | 194 | 21E | 1.5 | |
| 5 | BXO – 2 | -8 | 29E | 189 | 26E | 5.5 | |
| 6 | AXY – 1 | -14 | 46E | 172 | 43E | ||
| 7 | AXX – 2 | -23 | 54E | 164 | 51E | 1 | |
| 8 | HAX – 1 | -29 | 70E | 148 | 67E | 6.5 | |
| 9 | ARX – 1 | -9 | 71E | 147 | 68E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.