Daily Sunspot Evaluation
Observation Sheet Monday, 19 November 1990
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)
- 8
- Number of spots (f)
- 119
- Relative number (R)
- 199
- Observer
- YK
- Reading
- all checks consistent
- File
- 19901119.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 25 | 73W | 106 | 74W | — | 537 |
| 2 | AX – 7 | 18 | 37W | 70 | 38W | 2 | 538 |
| 3 | FKC – 92 | 19 | 09E | 24 | 08E | 25.5 | 539 |
| 4 | AX – 1 | 25 | 33E | 0 | 32E | — | 536 |
| 5 | HA – 2 | -21 | 72W | 105 | 73W | 3.5 | 531 |
| 6 | BRI – 11 | -17 | 11W | 44 | 12W | 6 | 539 |
| 7 | HA – 4 | -18 | 48E | 345 | 47E | 2.5 | 535 |
| 8 | AX – 1 | -5 | 76E | 317 | 75E | — | 540 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.