Daily Sunspot Evaluation
Observation Sheet Wednesday, 28 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)
- 11
- Number of spots (f)
- 56
- Relative number (R)
- 166
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19901128.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 24 | 10W | 287 | 13W | 0.5 | 553 |
| 2 | BXO – 3 | 11 | 19E | 258 | 16E | 3.5 | 551 |
| 3 | CAO – 8 | 17 | 55E | 222 | 52E | 6 | 519 |
| 4 | EAC – 14 | -5 | 46W | 323 | 49W | 12.5 | 518 |
| 5 | CAI – 9 | -10 | 34W | 311 | 37W | 6.5 | 514 |
| 6 | BXO – 12 | -6 | 17E | 260 | 14E | 9 | 505 |
| 7 | HS – 1 | -4 | 32E | 245 | 29E | 1 | 527 |
| 8 | AX – 3 | -9 | 40E | 237 | 37E | 1 | 554 |
| 9 | HA – 2 | -21 | 46E | 231 | 43E | 3 | 508 |
| 10 | HA – 1 | -15 | 70E | 207 | 67E | 2 | 552 |
| 11 | ? – 1 | -23 | 80E | 197 | 77E | - | 555 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.