Daily Sunspot Evaluation
Observation Sheet Sunday, 6 July 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)
- 61
- Relative number (R)
- 151
- Observer
- TÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19800706.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 18 | 77W | 70 | 80W | ||
| 2 | EKI – 23 | 28 | 34W | 27 | 37W | 13 | |
| 3 | BXO – 3 | 21 | 58E | 295 | 55E | 4.5 | |
| 4 | AXX – 2 | 23 | 70E | 213 ⚠ | 67E | 1 | |
| 5 | HKX – 4 | 18 | 72E | 281 | 69E | 6 | |
| 6 | ? – 5 | -18 | 70W | 63 | 73W | 13 | |
| 7 | BLI – 12 | -6 | 34W | 27 | 37W | 5.5 | |
| 8 | AXI – 10 | -15 | 05E | 348 | 02E | 1.5 | |
| 9 | HAX – 1 | -12 | 76E | 277 | 73E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.