Daily Sunspot Evaluation
Observation Sheet Sunday, 22 July 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)
- 12
- Number of spots (f)
- 70
- Relative number (R)
- 190
- Observer
- ED
- Reading
- all checks consistent
- File
- 19790722.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | G – 2 | 11 | 19E | 274 | 16E | 100 | |
| 2 | ? – 1 | 16 | 82E | 211 | 79E | 108 | |
| 3 | A – 1 | -15 | 60E | 233 | 57E | 109 | |
| 4 | B – 19 | -5 | 12E | 281 | 09E | 107 | |
| 5 | G – 5 | -4 | 12W | 305 | 15W | 96 | |
| 6 | G – 7 | -19 | 26W | 319 | 29W | 99 | |
| 7 | H – 4 | -29 | 63W | 356 | 66W | 93 | |
| 8 | A – 6 | 12 | 47W | 340 | 50W | 110 | |
| 9 | E – 14 | 14 | 60W | 353 | 63W | 104 | |
| 10 | D – 5 | 28 | 72W | 5 | 75W | 105 | |
| 11 | J – 2 | 29 | 43W | 335 | 46W | 91 | |
| 12 | G – 4 | 31 | 02W | 295 | 05W | 102 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.