Daily Sunspot Evaluation
Observation Sheet Friday, 9 July 1982
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)
- 26
- Relative number (R)
- 66
- Observer
- OG
- Reading
- all checks consistent
- File
- 19820709.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 8 | 7 | 43E | 353 | 43E | 10 | 241 |
| 2 | ? – 14 | 12 | 72E | 324 | 71E | 263 | |
| 3 | DAO – 2 | -19 | 05E | 31 | 04E | 5.5 | 260 |
| 4 | CAO – 2 | -16 | 07E | 29 | 06E | 5.5 | 159 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.