Daily Sunspot Evaluation
Observation Sheet Thursday, 3 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)
- 8
- Number of spots (f)
- 57
- Relative number (R)
- 137
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030403.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 11 | 7 | 46W | 211 | 47W | 5 | 69 |
| 2 | HH – 5 | 12 | 03W | 168 | 04W | 5 | 76 |
| 3 | HA – 6 | 7 | 02E | 163 | 01E | ~3 | 80 |
| 4 | BXO – 4 | 1 | 25E | 140 | 24E | ~2.5 | 81 |
| 5 | DAI – 6 | -8 | 64W | 229 | 65W | ~11 | 73 |
| 6 | BXO – 4 | -6 | 47W | 212 | 48W | 7 | 79 |
| 7 | DAC – 19 | -12 | 27W | 192 | 28W | 8 | 74 |
| 8 | HS – 2 | -12 | 03E | 162 | 02E | ~1.5 | 77 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.