Daily Sunspot Evaluation
Observation Sheet Monday, 25 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)
- 6
- Number of spots (f)
- 76
- Relative number (R)
- 136
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19800825.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKC – 42 | 20 | 58W | 110 | 61W | 14 | |
| 2 | AXX – 2 | 14 | 19W | 71 | 22W | ||
| 3 | HEX – 10 | 9 | 17E | 35 | 14E | 5.25 | |
| 4 | CBI – 11 | -7 | 06W | 58 | 09W | 3 | |
| 5 | AXX – 3 | -14 | 02E | 50 | 01W | 1.5 | |
| 6 | BXI – 8 | -18 | 33E | 19 | 30E | 1.25 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



