Daily Sunspot Evaluation
Observation Sheet Friday, 8 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)
- 7
- Number of spots (f)
- 35
- Relative number (R)
- 105
- Observer
- SG0
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880708.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 2 | 13 | 85W | 6 | 88W | 133 | |
| 2 | HH – 1 | 27 | 68W | 349 | 74W | 4 | 132 |
| 3 | BRO – 3 | 31 | 25W | 301 ⚠ | 28W | 4 | 139 |
| 4 | DKC – 16 | 22 | 24E | 257 | 21E | 10 | 137 |
| 5 | AR – 1 | 19 | 46E | 235 | 43E | 0.5 | 138 |
| 6 | EAO – 7 | 29 | 69E | 212 | 66E | 11.0 | 1138 |
| 7 | ? – 5 | -18 | 79W | 360 | 82W | 131 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.