Daily Sunspot Evaluation
Observation Sheet Friday, 23 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)
- 6
- Number of spots (f)
- 83
- Relative number (R)
- 143
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19901123.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 48 | 19 | 41°W | 24 | 44°W | 23° | 532 |
| 2 | BRO – 2 | -17 | 63°W | 46 | 66°W | 8° | 533 |
| 3 | HA – 4 | -18 | 03°W | 346 | 06°W | 2° | 535 |
| 4 | BRI – 18 | -5 | 23°E | 320 | 20°E | 7° | 540 |
| 5 | BXI – 10 | -10 | 33°E | 310 | 30°E | 5.5 | 544 |
| 6 | ? – 1 | -8 | 79°E | 264 | 76°E | - | 545 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.