Daily Sunspot Evaluation
Observation Sheet Monday, 24 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)
- 18
- Number of spots (f)
- 165
- Relative number (R)
- 345
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19790924.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 25 | 27 | 04E | 163 | 01E | 214 | |
| 2 | A – 2 | 17 | 17E | 150 | 14E | 227 | |
| 3 | D – 23 | 17 | 41E | 126 | 38E | 222 | |
| 4 | E – 12 | 17 | 73E | 94 | 70E | 228 | |
| 5 | H – 1 | 15 | 57E | 110 | 54E | 224 | |
| 6 | C – 8 | 10 | 31E | 136 | 28E | 229 | |
| 7 | ? – 1 | -20 | 76E | 91 | 78E | 230 | |
| 8 | B – 7 | -13 | 30E | 137 | 27E | 231 | |
| 9 | A – 1 | -25 | 55E | 112 | 52E | 232 | |
| 10 | D – 11 | -14 | 15E | 152 | 12E | 225 | |
| 11 | A – 2 | -31 | 14E | 153 | 11E | 233 | |
| 12 | D – 8 | -19 | 02E | 165 | 01W | 216 | |
| 13 | A – 2 | -20 | 27W | 194 | 30W | 212 | |
| 14 | A – 1 | -10 | 32W | 199 | 35W | 219 | |
| 15 | F – 39 | 5 | 24W | 191 | 27W | 211 | |
| 16 | D – 6 | 13 | 55W | 222 | 58W | 234 | |
| 17 | D – 15 | 22 | 23W | 190 | 26W | 235 | |
| 18 | J – 1 | 12 | 03W | 170 | 06W | 218 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.