Daily Sunspot Evaluation
Observation Sheet Saturday, 29 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)
- 12
- Number of spots (f)
- 112
- Relative number (R)
- 232
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790929.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 17 | 18 | 04E | 97 | 01E | 228 | |
| 2 | A – 2 | 34 | 04E | 97 | 01E | 240 | |
| 3 | G – 3 | -28 | 65E | 36 | 62E | 239 | |
| 4 | C – 9 | -22 | 10E | 91 | 07E | 230 | |
| 5 | C – 4 | -25 | 09W | 110 | 12W | 232 | |
| 6 | D – 12 | -13 | 39W | 140 | 42W | 221 | |
| 7 | H – 1 | -20 | 65W | 166 | 68W | 216 | |
| 8 | H – 2 | -14 | 58W | 159 | 61W | 225 | |
| 9 | ? – 1 | 8 | 85W | 186 | 88W | 211 | |
| 10 | C – 6 | 15 | 48W | 149 | 51W | 227 | |
| 11 | F – 41 | 20 | 24W | 125 | 27W | 222 | |
| 12 | H – 14 | 15 | 10W | 111 | 13W | 224 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.