Daily Sunspot Evaluation
Observation Sheet Tuesday, 14 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)
- 4
- Number of spots (f)
- 21
- Relative number (R)
- 61
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19980714.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 35 | 02E | 236 | 01W | 0.5 | 142 |
| 2 | HR – 3 | 18 | 25E | 213 | 22E | 2.5 | 133 |
| 3 | CAO – 15 | -23 | 24E | 214 | 21E | 9 | 138 |
| 4 | ? – 1 | -30 | 90E | 148 | 87E | ? | 143 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.