Daily Sunspot Evaluation
Observation Sheet Saturday, 4 July 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)
- 4
- Number of spots (f)
- 71
- Relative number (R)
- 111
- Observer
- NA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19920704.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 17 | 7 | 52E | 181 ⚠ | 540 | 14 | 255 |
| 2 | AX – 1 | 8 | 09E | 120 ⚠ | 07E | - | 259 |
| 3 | FKC – 52 | 14 | 14E | 115 ⚠ | 12E | 16 | 252 |
| 4 | ? – 1 | -6 | 75E | 74 ⚠ | 35E | - | 258 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.