Daily Sunspot Evaluation
Observation Sheet Monday, 29 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)
- 5
- Number of spots (f)
- 11
- Relative number (R)
- 61
- Observer
- HG
- Reading
- all checks consistent
- File
- 19850729.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKX – 3 | 2 | 48E | 20 | 45E | 3 | |
| 2 | ARX – 1 | 2 | 62E | 6 | 59E | - | |
| 3 | BXO – 3 | -6 | 67W | 135 | 70W | 4 | |
| 4 | ARX – 1 | -11 | 48E | 20 | 45E | - | |
| 5 | HKX – 3 | -13 | 61E | 7 | 58E | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.