Daily Sunspot Evaluation
Observation Sheet Saturday, 7 June 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)
- 7
- Number of spots (f)
- 49
- Relative number (R)
- 119
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800607.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CSI – 7 | 17 | 25E | 351 | 22E | 7.5 | |
| 2 | HKX – 2 | 13 | 71W | 87 | 73W | 4 | |
| 3 | HKX – 1 | 11 | 42W | 58 | 44W | 1.5 | |
| 4 | ARX – 2 | 25 | 32W | 48 | 34W | - | |
| 5 | DKI – 28 | -13 | 17E | 359 | 15E | 10 | |
| 6 | HSX – 1 | -21 | 56W | 72 | 58W | 2 | |
| 7 | DJO – 8 | -12 | 35W | 51 | 37W | 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.