Daily Sunspot Evaluation
Observation Sheet Tuesday, 20 May 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)
- 6
- Number of spots (f)
- 45
- Relative number (R)
- 105
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20030520.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 20 | 18W | 283 | 21W | - | 135 |
| 2 | CAO – 10 | -17 | 37W | 302 | 40W | ~7 | 123 |
| 3 | AX – 1 | -24 | 42W | 307 | 45W | - | 134 |
| 4 | DAO – 17 | -26 | 32W | 297 | 35W | ~7 | 133 |
| 5 | DAO – 13 | -12 | 20E | 245 | 17E | 9 | 129 |
| 6 | ? – 3 | -7 | 77E | 188 | 74E | ? | 136 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.