Daily Sunspot Evaluation
Observation Sheet Wednesday, 3 June 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)
- 4
- Number of spots (f)
- 24
- Relative number (R)
- 64
- Observer
- GT
- Reading
- all checks consistent
- File
- 19810603.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 17 | 15 | 21W | 314 | 24W | 8 | |
| 2 | HKX – 3 | -6 | 51W | 344 | 54W | 3 | |
| 3 | AKX – 3 | -4 | 40W | 333 | 43W | 2 | |
| 4 | AKX – 1 | -10 | 66E | 227 | 63E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.