Daily Sunspot Evaluation
Observation Sheet Saturday, 7 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)
- 16
- Number of spots (f)
- 107
- Relative number (R)
- 267
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19790707.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 9 | 02E | 129 | 01W | 85 | |
| 2 | H – 3 | 24 | 02E | 129 | 01W | 66 | |
| 3 | E – 23 | 11 | 11E | 120 | 08E | 67 | |
| 4 | A – 1 | 17 | 11E | 120 | 08E | 83 | |
| 5 | C – 7 | 18 | 18E | 113 | 15E | 79 | |
| 6 | D – 11 | 22 | 34E | 97 | 31E | 24 | |
| 7 | C – 8 | 29 | 56E | 75 | 53E | 8 | |
| 8 | H – 14 | 14 | 33E | 98 | 30E | 72 | |
| 9 | B – 4 | -14 | 41E | 90 | 38E | 80 | |
| 10 | J – 1 | -17 | 39E | 92 | 36E | 75 | |
| 11 | G – 8 | -28 | 39E | 92 | 36E | 76 | |
| 12 | H – 1 | -23 | 83W | 164 ⚠ | 36E | 58 | |
| 13 | A – 2 | -15 | 24W | 155 | 27W | 69 | |
| 14 | H – 1 | 5 | 18W | 149 | 21W | 63 | |
| 15 | ? – 2 | 13 | 82W | 213 | 85W | 47 | |
| 16 | E – 19 | 17 | 43W | 174 | 46W | 56 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.