Daily Sunspot Evaluation
Observation Sheet Wednesday, 11 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)
- 96
- Relative number (R)
- 186
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19800611.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 7 | 19 | 26W | 350 | 29W | 5.5 | |
| 2 | BXI – 5 | 28 | 24W | 348 | 27W | 1.5 | |
| 3 | DAO – 5 | 23 | 22W | 346 | 25W | 3.5 | |
| 4 | CAI – 9 | 14 | 18W | 342 | 21W | 5 | |
| 5 | CAO – 6 | 14 | 01E | 323 | 02W | 6.5 | |
| 6 | CRO – 18 | 18 | 48E | 276 | 45E | 12 | |
| 7 | ELI – 32 | -15 | 30W | 354 | 33W | 17 | |
| 8 | CAO – 12 | -25 | 26W | 350 | 29W | 10 | |
| 9 | HAX – 2 | -12 | 55E | 269 | 52E | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.