Daily Sunspot Evaluation
Observation Sheet Wednesday, 26 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)
- 16
- Number of spots (f)
- 173
- Relative number (R)
- 333
- Observer
- ED
- Reading
- all checks consistent
- File
- 19790926.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 10 | 05E | 136 | 02E | 229 | |
| 2 | E – 39 | 19 | 15E | 126 | 12E | 222 | |
| 3 | A – 4 | 26 | 33E | 108 | 30E | 237 | |
| 4 | E – 29 | 17 | 44E | 97 | 41E | 228 | |
| 5 | H – 1 | 15 | 29E | 112 | 26E | 224 | |
| 6 | H – 10 | -21 | 50E | 91 | 47E | 230 | |
| 7 | B – 10 | -26 | 31E | 110 | 28E | 232 | |
| 8 | C – 11 | -13 | 03E | 138 | 00 | 231 | |
| 9 | C – 8 | -13 | 14W | 155 | 17W | 225 | |
| 10 | G – 4 | -19 | 24W | 165 | 27W | 216 | |
| 11 | E – 22 | 6 | 51W | 192 | 54W | 211 | |
| 12 | A – 1 | 12 | 30W | 171 | 33W | 218 | |
| 13 | F – 1 | 15 | 83W | 224 | 86W | 234 | |
| 14 | D – 15 | 22 | 50W | 191 | 53W | 235 | |
| 15 | B – 15 | 28 | 21W | 162 | 24W | 214 | |
| 16 | A – 1 | 16 | 05W | 146 | 08W | 227 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.