Daily Sunspot Evaluation
Observation Sheet Friday, 8 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)
- 5
- Number of spots (f)
- 55
- Relative number (R)
- 105
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19830708.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKX – 3 | -18 | 69W | 344 | 72W | 3.5 | 183 |
| 2 | BXI – 7 | -9 | 09W | 284 | 12W | 2.5 | 184 |
| 3 | EKI – 22 | -28 | 07W | 282 | 11W | 14 | 185 |
| 4 | DAI – 21 | -11 | 06E | 269 | 03E | 8 | 187 |
| 5 | HKX – 2 | -17 | 57E | 219 | 54E | 4.5 | 188 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.