Daily Sunspot Evaluation
Observation Sheet Sunday, 1 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)
- 9
- Number of spots (f)
- 73
- Relative number (R)
- 163
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19800601.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 8 | 10 | 55W | 151 | 58W | 13 | |
| 2 | HSK – 1 | 12 | 10W | 106 | 13W | 2 | |
| 3 | HSK – 1 | 12 | 39E | 57 | 36E | 1 | |
| 4 | ? – 1 | -13 | 85W | 181 | 88W | - | |
| 5 | ? – 2 | -20 | 80W | 176 | 83W | 5 | |
| 6 | EHC – 44 | -10 | 19W | 115 | 22W | 14 | |
| 7 | HKX – 2 | -20 | 21E | 75 | 18E | 3 | |
| 8 | BXO – 6 | -11 | 45E | 51 | 42E | 7.5 | |
| 9 | DAI – 8 | -11 | 56E | 40 | 52E | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.