Daily Sunspot Evaluation
Observation Sheet Tuesday, 23 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)
- 4
- Number of spots (f)
- 18
- Relative number (R)
- 58
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19880823.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DSR – 12 | 14 | 24E | 8 | 21E | 11.25 | 183 |
| 2 | AH – 2 | 16 | 34E | 358 | 31E | 1.5 | 189 |
| 3 | AH – 2 | 12 | 33E | 359 | 30E | 1.5 | 190 |
| 4 | AR – 2 | -38 | 35E | 357 | 32E | 0.5 | 191 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.