Daily Sunspot Evaluation
Observation Sheet Saturday, 2 August 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)
- 8
- Number of spots (f)
- 13
- Relative number (R)
- 93
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19800802.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 2 | 13 | 55E | 30 ⚠ | 51E | 2 | |
| 2 | HAX – 2 | 19 | 34W | 30 | 37W | 1 | |
| 3 | HRX – 1 | 27 | 29W | 25 | 32W | 0.75 | |
| 4 | BXO – 3 | -7 | 55E | 301 | 52E | 7.5 | |
| 5 | ? – 1 | -12 | 81E | 275 | 78E | ||
| 6 | HSX – 1 | -7 | 50W | 46 | 53W | 1 | |
| 7 | CAO – 2 | -9 | 33W | 29 | 36W | 4 | |
| 8 | AXX – 1 | -36 | 06W | 2 | 09W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.