Daily Sunspot Evaluation
Observation Sheet Wednesday, 14 January 1981
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)
- 5
- Number of spots (f)
- 35
- Relative number (R)
- 85
- Observer
- GT
- Reading
- all checks consistent
- File
- 19810114.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 16 | 70W | 47 | 70W | .01 | |
| 2 | DAI – 11 | 4 | 10W | 347 | 10W | 5.75 | |
| 3 | CSI – 7 | 4 | 60E | 277 | 60E | .05 | |
| 4 | ARX – 2 | 17 | 64W | 41 | 64W | 1.25 | |
| 5 | DAO – 14 | -18 | 01E | 336 | 01E | 7.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.