Daily Sunspot Evaluation
Observation Sheet Friday, 3 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)
- 3
- Number of spots (f)
- 75
- Relative number (R)
- 105
- Observer
- TA
- Reading
- all checks consistent
- File
- 19920703.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAI – 28 | 107 | 36W | 180 | 40W | 12.5 | 255 |
| 2 | FKC – 46 | 14 | 29E | 115 | 25E | 16.5 | 256 |
| 3 | PX – 1 | 15 | 69E | 75 | 65E | - | 257 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.