Daily Sunspot Evaluation
Observation Sheet Saturday, 30 July 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)
- 6
- Number of spots (f)
- 165
- Relative number (R)
- 225
- Observer
- HÇ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880730.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 36 | 97E | 292 ⚠ | 55E | 3 | 163 |
| 2 | FKC – 51 | 28 | 44E | 705 ⚠ | 42E | 17.5 | 159 |
| 3 | CSO – 6 | 26 | 22E | 327 | 20E | 4.5 | 162 |
| 4 | DAC – 43 | 15 | 8W | 357 | 10W | 6 | 158 |
| 5 | HK – 1 | 12 | 32W | 11 ⚠ | 25W | 3 | 153 |
| 6 | DKC – 62 | -21 | 10W | 358 | 12W | 12.5 | 156 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.