Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 July 1983
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
- AÖ0
- Reading
- all checks consistent
- File
- 19830727.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKO – 5 | 7 | 74W | 96 | 77W | 125 | 211 |
| 2 | DAO – 4 | 10 | 60W | 82 | 63W | 425 | 207 |
| 3 | ? – 6 | 212 | |||||
| 4 | HAX – 1 | -21 | 42E | 340 | 39E | 15 | 218 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.