Daily Sunspot Evaluation
Observation Sheet Monday, 9 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)
- 13
- Number of spots (f)
- 88
- Relative number (R)
- 218
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19800609.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ABK – 1 | 12 | 68W | 59 | 71W | 1 | |
| 2 | BKE – 5 | 25 | 55W | 46 | 58W | 5 | |
| 3 | BKE – 5 | 10 | 43W | 34 | 46W | 5 | |
| 4 | CRO – 5 | 18 | 01E | 350 | 02W | 6.5 | |
| 5 | HAK – 3 | 14 | 09E | 342 | 06E | 1.5 | |
| 6 | BKI – 7 | 14 | 30E | 321 | 27E | 5 | |
| 7 | CRO – 2 | 18 | 76E | 275 | 73E | 10 | |
| 8 | ? – 1 | -21 | 83W | 74 | 86W | - | |
| 9 | BEO – 3 | -11 | 62W | 53 | 65W | 5 | |
| 10 | EKC – 43 | -14 | 07W | 358 | 10W | 12.5 | |
| 11 | BKI – 9 | -25 | 02E | 349 | 01W | 4.5 | |
| 12 | HAK – 3 | -24 | 37E | 314 | 34E | 1 | |
| 13 | HAK – 1 | -13 | 83E | 268 | 80E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.