Daily Sunspot Evaluation
Observation Sheet Saturday, 17 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)
- 19
- Number of spots (f)
- 104
- Relative number (R)
- 294
- Observer
- AÖ0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19791117.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 13 | 25 | 01E | 173 | 01W | 331 | |
| 2 | A – 1 | 38 | 10E | 164 | 08E | 320 | |
| 3 | C – 9 | 24 | 53E | 121 | 51E | 332 | |
| 4 | ? – 3 | -19 | 74E | 100 | 72E | 335 | |
| 5 | E – 24 | -33 | 10W | 184 | 12W | 325 | |
| 6 | G – 3 | -17 | 31W | 205 | 38W | 322 | |
| 7 | ? – 5 | -17 | 69W | 243 | 71W | 305 | |
| 8 | A – 2 | -6 | 45W | 219 | 47W | 336 | |
| 9 | C – 4 | -1 | 32W | 206 | 34W | 323 | |
| 10 | C – 14 | 11 | 36W | 210 | 38W | 312 | |
| 11 | ? – 1 | 22 | 83W | 257 | 85W | 307 | |
| 12 | A – 2 | 20 | 12W | 216 ⚠ | 14W | 337 | |
| 13 | G – 3 | 14 | 18W | 192 | 20W | 313 | |
| 14 | G – 7 | 32 | 48W | 223 | 51W | 310 | |
| 15 | B – 3 | 23 | 20W | 194 | 22W | 318 | |
| 16 | A – 1 | 35 | 36W | 210 | 38W | 314 | |
| 17 | B – 5 | 12 | 03W | 177 | 05W | 328 | |
| 18 | A – 1 | 24 | 11W | 195 ⚠ | 13W | 321 | |
| 19 | H – 3 | 31 | 08W | 182 | 10W | 317 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.