Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 July 1985
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)
- 16
- Relative number (R)
- 56
- Observer
- HG
- Reading
- all checks consistent
- File
- 19850730.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 11 | 7 | 37E | 18 | 34E | 85.8 | |
| 2 | ARX – 1 | 8 | 48E | 7 | 45 | -075 | |
| 3 | ? – 1 | -7 | 80W | 135 | 83 | 1.05 | |
| 4 | HKX – 3 | -13 | 52E | 3 | 49 | 3.925 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.