Daily Sunspot Evaluation
Observation Sheet Monday, 8 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)
- 20
- Relative number (R)
- 60
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19810608.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 2 | 24 | 46W | 275 | 49W | 5 | |
| 2 | AXX – 1 | 12 | 25E | 202 | 22E | ||
| 3 | HAI – 7 | 12 | 53E | 174 | 50E | 4.5 | |
| 4 | DAF – 10 | -10 | 03E | 224 | 00 | 7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.