Daily Sunspot Evaluation
Observation Sheet Thursday, 8 September 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)
- 29
- Relative number (R)
- 79
- Observer
- HM
- Reading
- all checks consistent
- File
- 19830908.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 15 | 11 | 53W | 228 | 56W | 10.5 | 274 |
| 2 | AXX – 1 | -9 | 06W | 181 | 09W | - | 281 |
| 3 | BRI – 9 | -9 | 00 | 175 | 03W | 3.5 | 275 |
| 4 | HAX – 3 | -11 | 26E | 149 | 23E | 2 | 277 |
| 5 | AXX – 1 | -24 | 37E | 138 | 34E | - | 280 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.