Daily Sunspot Evaluation
Observation Sheet Sunday, 14 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)
- 7
- Number of spots (f)
- 57
- Relative number (R)
- 127
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800914.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 2 | 12 | 86W | 233 | 88W | ||
| 2 | CAO – 4 | 9 | 28W | 175 | 30W | ||
| 3 | CAO – 7 | 14 | 14W | 161 | 16W | ||
| 4 | DCE – 20 | 14 | 04W | 151 | 06W | ||
| 5 | DAC – 12 | -9 | 01W | 148 | 03W | ||
| 6 | HAX – 4 | -9 | 29E | 118 | 27E | ||
| 7 | DAO – 8 | -10 | 37E | 110 | 35E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.