Daily Sunspot Evaluation
Observation Sheet Wednesday, 2 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)
- 10
- Number of spots (f)
- 81
- Relative number (R)
- 181
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030402.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 11 | 77W | 256 | 80W | 2 | 66 |
| 2 | HA – 12 | 6 | 31W | 210 | 34W | 4 | 69 |
| 3 | HH – 6 | 12 | 11E | 168 | 08E | 6.5 | 76 |
| 4 | HS – 4 | 5 | 15E | 164 | 12E | 2 | 80 |
| 5 | HR – 1 | -18 | 68W | 247 | 71W | ~1 | 78 |
| 6 | HS – 1 | -13 | 67W | 246 | 70W | 1 | 67 |
| 7 | EAC – 25 | -8 | 47W | 226 | 50W | ~11 | 73 |
| 8 | CSO – 8 | -7 | 29W | 208 | 32W | 4 | 79 |
| 9 | OAS – 21 | -12 | 12W | 191 | 15W | 6 | 74 |
| 10 | HS – 2 | -12 | 18E | 161 | 15E | 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.