Daily Sunspot Evaluation
Observation Sheet Thursday, 24 April 2003
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)
- 35
- Relative number (R)
- 75
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20030424.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 16 | 18 | 39W | 284 | 38W | ~10 | 92 |
| 2 | HA – 4 | 13 | 08W | 255 | 09W | 2 | 93 |
| 3 | DAO – 3 | 5 | 54E | 193 | 53E | 4 | 99 |
| 4 | HK – 12 | -14 | 08E | 239 | 07E | 5.5 | 94 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.