Daily Sunspot Evaluation
Observation Sheet Saturday, 4 August 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)
- 29
- Relative number (R)
- 139
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790804.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | -17 | 19E | 102 | 16E | 127 | |
| 2 | B – 3 | 26 | 48E | 73 | 45E | 126 | |
| 3 | A – 1 | 12 | 69E | 52 | 66E | 130 | |
| 4 | H – 2 | -23 | 35W | 156 | 38W | 114 | |
| 5 | J – 2 | -13 | 34W | 155 | 37W | 118 | |
| 6 | A – 3 | 3 | 29W | 150 | 32W | 117 | |
| 7 | B – 6 | 5 | 20W | 141 | 23W | 129 | |
| 8 | A – 2 | 13 | 60W | 181 | 63W | 121 | |
| 9 | D – 5 | 16 | 68W | 189 | 71W | 111 | |
| 10 | A – 1 | 26 | 83W | 204 | 86W | 125 | |
| 11 | H – 3 | 12 | 06W | 127 | 09W | 120 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.