Daily Sunspot Evaluation
Observation Sheet Thursday, 1 September 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)
- 9
- Number of spots (f)
- 122
- Relative number (R)
- 212
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19880901.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 5 | 26 | 34W | 304 | 34W | 7.5 | 204 |
| 2 | AX – 4 | 31 | 06W | 279 | 09W | 2.25 | 205,6 |
| 3 | EKC – 35 | 21 | 06W | 279 | 09W | 14.5 | 197 |
| 4 | AX – 1 | 28 | 70E | 203 | 67E | - | 205 |
| 5 | AX – 1 | 24 | 70E | 203 | 67E | - | 206 |
| 6 | DKC – 16 | -22 | 15W | 288 | 18W | 6.25 | 195 |
| 7 | BXO – 9 | -26 | 08W | 281 | 14W | 5 | 198 |
| 8 | CSO – 6 | -14 | 07E | 266 | 04E | 3.75 | 200 |
| 9 | EKE – 45 | -20 | 19E | 254 | 16E | 15.25 | 201 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.