Daily Sunspot Evaluation
Observation Sheet Friday, 7 August 1998
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)
- 54
- Relative number (R)
- 124
- Observer
- NA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19980807.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 11 | 28 | 60W | 341 | 63W | 9.0 | 156 |
| 2 | DXO – 7 | 13 | 43W | 324 | 46W | 6.5 | 165.161 |
| 3 | CRO – 2 | 18 | 26E | 255 | 23E | 3.0 | 168 |
| 4 | FHO – 3 | 28 | 75E | 206 | 72E | 16° | 166 |
| 5 | DX – 1 | 16 | 55E | 226 | 52E | - | 165 |
| 6 | ? – 1 | 15 | 86E | 196 | 82E | ? | 160 |
| 7 | FKC – 29 | -23 | 26E | 261 ⚠ | 17E | 17° | 163 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.