Daily Sunspot Evaluation
Observation Sheet Sunday, 4 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)
- 11
- Number of spots (f)
- 76
- Relative number (R)
- 186
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19921004.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CSO – 5 | 14 | 30W | 23 | 32W | 5.5 | 345 |
| 2 | AX – 1 | 5 | 01E | 352 | 01W | - | 357 |
| 3 | CAO – 13 | 16 | 05E | 348 | 03E | 6.5 | 351 |
| 4 | AX – 9 | 14 | 22E | 331 | 20E | 2.5 | 352 |
| 5 | BXI – 9 | 13 | 42E | 311 | 40E | 4.5 | 349 |
| 6 | DAI – 9 | 12 | 50E | 303 | 48E | 7 | 356 |
| 7 | ? – 1 | -7 | 75W | 68 | 77W | - | 350 |
| 8 | HH – 1 | -10 | 53W | 46 | 55W | 3 | 344 |
| 9 | DAI – 23 | -16 | 21E | 332 | 19E | 7.5 | 354 |
| 10 | HA – 4 | -12 | 27E | 326 | 25E | 215 | 353 |
| 11 | AX – 1 | -7 | 72E | 281 | 70E | - | 355 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.