Daily Sunspot Evaluation
Observation Sheet Thursday, 6 September 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)
- 7
- Number of spots (f)
- 99
- Relative number (R)
- 169
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790906.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 34 | 14 | 59E | 346 | 56E | 190 | |
| 2 | D – 20 | -18 | 10E | 35 | 07E | 183 | |
| 3 | C – 5 | -21 | 49W | 94 | 52W | 186 | |
| 4 | C – 7 | 12 | 59W | 104 | 62W | 183 | |
| 5 | H – 3 | 18 | 58W | 103 | 61W | 170 | |
| 6 | E – 11 | 21 | 18W | 63 | 21W | 178 | |
| 7 | E – 19 | 14 | 04W | 49 | 07W | 182 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.