Daily Sunspot Evaluation
Observation Sheet Sunday, 4 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)
- 6
- Number of spots (f)
- 24
- Relative number (R)
- 84
- Observer
- HM
- Reading
- all checks consistent
- File
- 19830904.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 10 | 3 | 02E | 226 | 01W | 5 | 274 |
| 2 | HAX – 5 | 12 | 17E | 211 | 14E | 1.5 | 272 |
| 3 | HSX – 2 | -7 | 58W | 286 | 61W | 2 | 265 |
| 4 | CAI – 5 | -12 | 50E | 179 | 47E | 35 | 235 |
| 5 | HAX – 1 | -3 | 66E | 162 | 63E | 1 | 276 |
| 6 | HAX – 1 | -13 | 77E | 151 | 74E | 2 | 277 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.