Daily Sunspot Evaluation
Observation Sheet Saturday, 26 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)
- 12
- Number of spots (f)
- 45
- Relative number (R)
- 165
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800726.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 19 | 84W | 173 | 87W | ||
| 2 | BXO – 5 | 16 | 54W | 143 | 57W | 8 | |
| 3 | HKX – 9 | 11 | 10W | 99 | 13W | 3.5 | |
| 4 | AXX – 3 | 21 | 39E | 50 | 36E | ||
| 5 | AXX – 1 | 27 | 50E | 39 | 47E | ||
| 6 | HSX – 2 | 27 | 62E | 27 | 59E | 2 | |
| 7 | BXO – 3 | 19 | 66E | 23 | 63E | 5 | |
| 8 | HKX – 1 | -26 | 80W | 169 | 83W | ||
| 9 | CHI – 5 | -21 | 68W | 157 | 71W | 6E | |
| 10 | HKX – 1 | -14 | 36W | 125 | 39W | 3.5 | |
| 11 | DAI – 10 | -20 | 29W | 118 | 32W | 5E | |
| 12 | HKX – 4 | -7 | 47E | 42 | 44E | 4.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.