Daily Sunspot Evaluation
Observation Sheet Friday, 3 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)
- 10
- Number of spots (f)
- 61
- Relative number (R)
- 161
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19801003.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BAO – 6 | 7 | 55W | 310 | 56W | 8 | |
| 2 | ARK – 1 | 13 | 50W | 305 | 51W | 0.5 | |
| 3 | AKK – 3 | 30 | 10W | 265 | 11W | 1 | |
| 4 | BAI – 7 | 23 | 07W | 262 | 08W | 5 | |
| 5 | DAC – 25 | 15 | 04E | 251 | 03E | 9.5 | |
| 6 | CAO – 7 | 16 | 39E | 216 | 38E | 9.75 | |
| 7 | CAO – 3 | -6 | 71W | 326 | 72W | 4.5 | |
| 8 | AKK – 3 | -7 | 59W | 314 | 60W | 1 | |
| 9 | CAO – 4 | -17 | 44W | 299 | 45W | 6 | |
| 10 | HAK – 2 | -24 | 60E | 195 | 59E | 1.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.