Daily Sunspot Evaluation
Observation Sheet Friday, 25 January 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)
- 48
- Relative number (R)
- 128
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19800125.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 12 | 10 | 63W | 47 | 64W | 10 | |
| 2 | AXX – 1 | 15 | 32W | 16 | 33W | - | |
| 3 | BXX – 7 | 10 | 02W | 346 | 03W | 05 | |
| 4 | HSX – 1 | -12 | 47W | 31 | 48W | 1.5 | |
| 5 | EKC – 21 | -16 | 44W | 28 | 45W | 11 | |
| 6 | AXX – 1 | -11 | 31E | 313 | 30E | - | |
| 7 | AXX – 1 | -12 | 44E | 300 | 43E | - | |
| 8 | CSI – 4 | -18 | 65E | 279 | 64E | 03 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.