Daily Sunspot Evaluation
Observation Sheet Friday, 16 October 1992
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)
- 5
- Number of spots (f)
- 28
- Relative number (R)
- 78
- Observer
- YK
- Reading
- all checks consistent
- File
- 19921016.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 13 | 7 | 21E | 174 | 19E | 6.5 | 357 |
| 2 | AX – 3 | 20 | 50E | 145 | 47E | 1 | 362 |
| 3 | ? – 1 | 15 | 88E | 107 | 85E | - | 365 |
| 4 | BXO – 8 | -18 | 26E | 169 | 23E | 6 | 356 |
| 5 | AX – 3 | -6 | 62E | 133 | 59E | 1 | 366 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.