Daily Sunspot Evaluation
Observation Sheet Sunday, 30 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)
- 14
- Number of spots (f)
- 81
- Relative number (R)
- 221
- Observer
- ED
- Reading
- all checks consistent
- File
- 19790930.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 25 | 24E | 63 | 22E | 241 | |
| 2 | B – 5 | 15 | 53E | 34 | 51E | 242 | |
| 3 | ? – 1 | 14 | 80E | 7 | 78E | 243 | |
| 4 | A – 1 | 11 | 71E | 18 | 69E | 244 | |
| 5 | G – 4 | -28 | 51E | 36 | 49E | 239 | |
| 6 | A – 2 | -35 | 21E | 66 | 19E | 245 | |
| 7 | B – 12 | -22 | 04W | 91 | 06W | 230 | |
| 8 | B – 3 | -25 | 23W | 110 | 25W | 232 | |
| 9 | D – 9 | -13 | 54W | 141 | 56W | 231 | |
| 10 | ? – 1 | -21 | 81W | 168 | 83W | 216 | |
| 11 | H – 1 | -14 | 72W | 159 | 74W | 225 | |
| 12 | F – 26 | 20 | 39W | 125 | 40W | 222 | |
| 13 | H – 4 | 15 | 25W | 112 | 27W | 224 | |
| 14 | G – 10 | 18 | 11W | 98 | 13W | 228 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.