Daily Sunspot Evaluation
Observation Sheet Monday, 29 October 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)
- 48
- Relative number (R)
- 108
- Observer
- YK
- Reading
- all checks consistent
- File
- 19901029.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AR – 1 | 24 | 74W | 26 | 76W | 1 | 486 |
| 2 | BXO – 5 | 18 | 66W | 18 | 68W | 9 | 491 |
| 3 | CAO – 11 | 8 | 40E | 272 | 38E | 6.5 | 503 |
| 4 | AR – 3 | -22 | 46W | 358 | 48W | 1 | 505 |
| 5 | DAI – 23 | -14 | 13W | 325 | 15W | 10 | 501 |
| 6 | DKO – 5 | -4 | 70E | 242 | 68E | 11 | 502 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.