Daily Sunspot Evaluation
Observation Sheet Sunday, 18 November 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)
- 85
- Relative number (R)
- 205
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19791118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 17 | 24 | 40E | 121 | 38E | 332 | |
| 2 | G – 2 | -20 | 61E | 100 | 59E | 335 | |
| 3 | E – 14 | -33 | 23W | 184 | 25W | 325 | |
| 4 | J – 1 | -16 | 50W | 211 | 52W | 322 | |
| 5 | D – 8 | -6 | 58W | 219 | 60W | 336 | |
| 6 | J – 2 | 0 | 47W | 208 | 49W | 323 | |
| 7 | D – 10 | 11 | 49W | 210 | 51W | 312 | |
| 8 | H – 1 | 14 | 33W | 194 | 35W | 313 | |
| 9 | B – 4 | 11 | 16W | 177 | 18W | 328 | |
| 10 | G – 6 | 32 | 61W | 222 | 63W | 310 | |
| 11 | H – 4 | 31 | 20W | 181 | 22W | 317 | |
| 12 | D – 16 | 32 | 11W | 172 | 13W | 331 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.