Daily Sunspot Evaluation
Observation Sheet Saturday, 25 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)
- 5
- Number of spots (f)
- 38
- Relative number (R)
- 88
- Observer
- HE
- Reading
- all checks consistent
- File
- 19980725.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 3 | 24 | 13W | 106 | 16W | 4 | 150 |
| 2 | HA – 3 | 15 | 31E | 62 | 28E | 2 | 152 |
| 3 | DAC – 19 | 31 | 40E | 53 | 37E | 7 | 153 |
| 4 | AX – 1 | 27 | 47E | 46 | 44E | 154 | |
| 5 | DHC – 12 | -24 | 36E | 57 | 33E | 10 | 151 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.