Daily Sunspot Evaluation
Observation Sheet Monday, 19 July 2004
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)
- 97
- Relative number (R)
- 137
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20040719.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 6 | 12 | 40W | 80 | 42W | ~3 | 131 |
| 2 | FKC – 34 | 9 | 54E | 346 | 52E | ~18 | 141 |
| 3 | FKC – 45 | -9 | 03W | 43 | 05W | ~18.5 | 139 |
| 4 | DAC – 12 | -12 | 54E | 346 | 52E | 8 | 142 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.