Daily Sunspot Evaluation
Observation Sheet Friday, 1 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
- all checks consistent
- File
- 19800801.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 8 | 58E | 308 | 58E | ||
| 2 | AXX – 1 | 14 | 65E | 301 | 65E | ||
| 3 | HAX – 2 | 19 | 24W | 30 | 24W | 0.75 | |
| 4 | HSX – 1 | 27 | 19W | 25 | 19W | 1 | |
| 5 | AXX – 3 | -6 | 64E | 302 | 64E | 2.5 | |
| 6 | HAX – 1 | -7 | 38W | 44 | 38W | 1.5 | |
| 7 | AXX – 3 | -8 | 22W | 28 | 22W | 2 | |
| 8 | AXX – 1 | -35 | 05E | 1 | 05E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.