Daily Sunspot Evaluation
Observation Sheet Monday, 22 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)
- 8
- Number of spots (f)
- 43
- Relative number (R)
- 123
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19810622.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKC – 21 | 14 | 42E | 356 | 42E | 85 | |
| 2 | HAX – 1 | -25 | 70W | 108 | 70W | 2 | |
| 3 | DAC – 7 | -20 | 58W | 96 | 58W | 11 | |
| 4 | BRI – 5 | -27 | 14W | 52 | 14W | 4 | |
| 5 | HAX – 3 | -12 | 25E | 13 | 25E | 2 | |
| 6 | AXX – 1 | -16 | 45E | 353 | 45E | - | |
| 7 | HAX – 2 | -8 | 60E | 338 | 60E | 2 | |
| 8 | DAC – 3 | -6 | 67E | 331 | 67E | 35 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.