Daily Sunspot Evaluation
Observation Sheet Tuesday, 20 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)
- 13
- Number of spots (f)
- 62
- Relative number (R)
- 192
- Observer
- HM
- Reading
- all checks consistent
- File
- 19791120.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 15 | 24 | 15E | 120 | 12E | 332 | |
| 2 | C – 5 | 25 | 41E | 94 | 38E | 338 | |
| 3 | G – 2 | -15 | 66E | 69 | 63E | 339 | |
| 4 | C – 4 | -19 | 35E | 100 | 32E | 335 | |
| 5 | B – 2 | -27 | 46E | 89 | 48E | 340 | |
| 6 | E – 11 | -33 | 48W | 183 | 51W | 325 | |
| 7 | B – 3 | -17 | 74W | 209 | 77W | 322 | |
| 8 | ? – 1 | -7 | 80W | 215 | 83W | 336 | |
| 9 | ? – 3 | 12 | 74W | 209 | 77W | 312 | |
| 10 | H – 1 | 14 | 59W | 194 | 62W | 313 | |
| 11 | ? – 2 | 33 | 80W | 215 | 83W | 310 | |
| 12 | H – 1 | 30 | 46W | 181 | 49W | 317 | |
| 13 | E – 12 | 32 | 35W | 170 | 38W | 331 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.