Daily Sunspot Evaluation
Observation Sheet Monday, 15 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)
- 11
- Number of spots (f)
- 90
- Relative number (R)
- 200
- Observer
- HE
- Reading
- all checks consistent
- File
- 19880815.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 6 | 22 | 67W | 205 | 70W | 7.5 | 165 |
| 2 | EKO – 25 | 15 | 23W | 161 | 26W | 12 | 170 |
| 3 | DKO – 20 | 24 | 18W | 156 | 21W | 9 | 171 |
| 4 | AX – 1 | 34 | 25W | 162 | 27W | - | 177 |
| 5 | AX – 1 | 22 | 13W | 152 | 17W | - | 178 |
| 6 | AX – 2 | 20 | 30E | 108 | 27E | 0.75 | 179 |
| 7 | CSO – 11 | 24 | 46E | 92 | 43E | 7 | 175 |
| 8 | BRO – 5 | -19 | 35W | 173 | 38W | 2.5 | 168 |
| 9 | DKI – 14 | -23 | 11W | 149 | 14W | 7 | 183 |
| 10 | AX – 2 | -23 | 2W | 140 | 5W | 1 | 180 |
| 11 | AX – 3 | -17 | 2E | 136 | 1W | 1 | 181 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.