Daily Sunspot Evaluation
Observation Sheet Tuesday, 19 June 1979
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)
- 11
- Number of spots (f)
- 78
- Relative number (R)
- 188
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790619.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 9 | 26 | 03E | 7 | 00E | 32 | |
| 2 | B – 6 | 14 | 10E | 0 | 07E | 33 | |
| 3 | J – 2 | 20 | 52E | 318 | 49E | 37 | |
| 4 | D – 10 | -7 | 65E | 305 | 62E | 38 | |
| 5 | ? – 2 | -27 | 78E | 292 | 75E | 39 | |
| 6 | ? – 4 | -18 | 80W | 90 | 83W | 18 | |
| 7 | D – 7 | 6 | 50W | 60 | 53W | 35 | |
| 8 | ? – 1 | 16 | 86W | 96 | 89W | 19 | |
| 9 | C – 7 | 7 | 18W | 28 | 21W | 36 | |
| 10 | E – 22 | 22 | 20W | 30 | 23W | 23 | |
| 11 | B – 8 | 12 | 03W | 13 | 06W | 34 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.