Daily Sunspot Evaluation
Observation Sheet Thursday, 2 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)
- 9
- Number of spots (f)
- 45
- Relative number (R)
- 135
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790802.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 6 | 12 | 22E | 126 | 18E | 120 | |
| 2 | B – 2 | -9 | 69E | 79 | 65E | 123 | |
| 3 | G – 5 | -12 | 05W | 153 | 09W | 118 | |
| 4 | H – 13 | -22 | 09W | 157 | 13W | 114 | |
| 5 | J – 3 | 4 | 03W | 151 | 07W | 117 | |
| 6 | J – 1 | 13 | 64W | 212 | 68W | 108 | |
| 7 | A – 5 | 12 | 30W | 178 | 34W | 124 | |
| 8 | C – 9 | 14 | 40W | 188 | 44W | 111 | |
| 9 | A – 1 | 25 | 57W | 205 | 61W | 125 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.