Daily Sunspot Evaluation
Observation Sheet Tuesday, 22 September 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)
- 6
- Number of spots (f)
- 48
- Relative number (R)
- 108
- Observer
- MB
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920922.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRI – 14 | 8 | 13W | 89 ⚠ | 190 | 09 | 338 |
| 2 | CRI – 6 | -8 | 16W | 168 | 18W | 4.5 | 331 |
| 3 | HS – 3 | 15 | 14W | 166 | 16W | 02 | 332 |
| 4 | DAO – 18 | 17 | 01E | 151 | 01W | 06 | 339 |
| 5 | AX – 3 | 6 | 23E | 129 | 24E | 02 | 341 |
| 6 | HS – 4 | 70 | 50E | 102 | 48E | 2.5 | 337 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.