Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 May 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)
- 6
- Number of spots (f)
- 27
- Relative number (R)
- 87
- Observer
- MS
- Reading
- all checks consistent
- File
- 20040519.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 10 | 62W | 190 | 65W | ~1.5 | 85 |
| 2 | HA – 2 | 17 | 34E | 94 | 31E | 2.5 | 88 |
| 3 | HS – 1 | -10 | 72W | 200 | 75W | 1.5 | 80 |
| 4 | DAO – 10 | -3 | 50W | 178 | 53W | 9 | 83 |
| 5 | DRI – 10 | -11 | 09W | 137 | 12W | ~4.5 | 90 |
| 6 | HS – 1 | -9 | 08E | 120 | 05E | 2 | 86 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.



