Daily Sunspot Evaluation
Observation Sheet Friday, 14 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)
- 100
- Relative number (R)
- 220
- Observer
- HM
- Reading
- all checks consistent
- File
- 19790914.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 15 | 27 | 24E | 275 | 21E | 197 | |
| 2 | A – 3 | 33 | 62E | 237 | 59E | 204 | |
| 3 | D – 11 | 21 | 47E | 252 | 44E | 202 | |
| 4 | ? – 2 | -11 | 71E | 228 | 68E | 206 | |
| 5 | A – 8 | -13 | 38E | 261 | 35E | 207 | |
| 6 | H – 1 | -25 | 32E | 267 | 29E | 200 | |
| 7 | C – 5 | -12 | 15E | 284 | 12E | 205 | |
| 8 | J – 2 | -24 | 74W | 13 | 77W | 198 | |
| 9 | A – 6 | 5 | 31W | 330 | 34W | 208 | |
| 10 | E – 28 | 8 | 05W | 304 | 08W | 196 | |
| 11 | G – 8 | 13 | 49W | 348 | 52W | 190 | |
| 12 | C – 11 | 14 | 05W | 304 | 08W | 195 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.