Daily Sunspot Evaluation
Observation Sheet Monday, 16 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)
- 8
- Number of spots (f)
- 50
- Relative number (R)
- 130
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19800616.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EKI – 21 | 18 | 22W | 280 | 25W | 11 | |
| 2 | CAI – 9 | 13 | 22W | 280 | 25W | 7.5 | |
| 3 | HKX – 3 | 16 | 38E | 220 | 35E | 3 | |
| 4 | ? – 1 | 14 | 85W | 343 | 88W | - | |
| 5 | BAE – 4 | -22 | 48W | 306 | 51W | 4 | |
| 6 | DEO – 7 | -12 | 13W | 271 | 16W | 8.5 | |
| 7 | HSX – 1 | -8 | 64E | 174 ⚠ | 61E | 1 | |
| 8 | ? – 4 | -12 | 77E | 181 | 74E | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.