Daily Sunspot Evaluation
Observation Sheet Thursday, 29 April 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)
- 3
- Number of spots (f)
- 5
- Relative number (R)
- 35
- Observer
- MB
- Reading
- all checks consistent
- File
- 20040429.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 15 | 18W | 51 | 21W | ~2 | 71 |
| 2 | ? – 1 | -8 | 85W | 118 | 88W | ? | 68 |
| 3 | HR – 1 | -11 | 29W | 62 | 32W | 5-0.5 | 73 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.