Daily Sunspot Evaluation
Observation Sheet Monday, 4 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)
- 7
- Number of spots (f)
- 50
- Relative number (R)
- 120
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830704.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 3 | -10 | 47W | 12 | 48W | 3 | 184 |
| 2 | AXX – 1 | -8 | 39W | 4 | 40W | 0.5 | 198 |
| 3 | BRI – 4 | -8 | 27W | 352 | 28W | 3 | 179 |
| 4 | HHX – 1 | -19 | 18W | 343 | 19W | 3 | 183 |
| 5 | EKS – 29 | -20 | 44E | 281 | 43E | 12.5 | 185 |
| 6 | ARX – 2 | -11 | 55E | 270 | 54E | 0.5 | 186 |
| 7 | CRI – 10 | -12 | 62E | 263 | 61E | 8 | 187 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.