Daily Sunspot Evaluation
Observation Sheet Friday, 10 July 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)
- 6
- Number of spots (f)
- 20
- Relative number (R)
- 80
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 19980710.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 3 | 18 | 48W | 339 | 51W | 5 | 128 125 |
| 2 | ? – 1 | 17 | 80E | 211 | 77E | - | 135 132 |
| 3 | CAO – 10 | -23 | 53W | 344 | 56W | 6 | 129 125 |
| 4 | BXO – 4 | -25 | 22W | 313 | 25W | 4 | 136 135 |
| 5 | AX – 1 | -18 | 58E | 233 | 55E | - | 127 135 |
| 6 | ? – 1 | -22 | 74E | 214 | 74E | - | 130 129 135 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.