Daily Sunspot Evaluation
Observation Sheet Thursday, 4 August 1988
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)
- 8
- Number of spots (f)
- 93
- Relative number (R)
- 173
- Observer
- HE
- Reading
- all checks consistent
- File
- 19880804.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAS – 10 | 14 | 75W | 357 | 77W | 10 | 158 |
| 2 | CAB – 8 | 23 | 47W | 329 | 49W | 11.5 | 162 |
| 3 | FCC – 68 | 28 | 19W | 301 | 21W | 20.5 | 189 |
| 4 | HS – 1 | 23 | 71E | 209 | 71E | 1 | 165 |
| 5 | ? – 1 | 30 | 77E | 205 | 75E | 1.5 | 166 |
| 6 | ? – 2 | 33 | 85E | 197 | 82E | 167 | |
| 7 | ? – 2 | -22 | 74W | 356 | 76W | 2.5 | 156 |
| 8 | AX – 1 | -24 | 4W | 286 | 6W | 2169 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.