Daily Sunspot Evaluation
Observation Sheet Thursday, 15 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)
- 5
- Number of spots (f)
- 21
- Relative number (R)
- 71
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030515.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 9 | 17 | 06W | 337 | 08W | ~6 | 120 |
| 2 | CAO – 5 | 9 | 08W | 339 | 10W | 7 | 122 |
| 3 | AX – 3 | 6 | 50E | 281 | 48E | 2.5 | 128 |
| 4 | CSO – 3 | -18 | 26E | 305 | 24E | 9 | 123 |
| 5 | ? – 1 | -13 | 82E | 249 | 80E | 1.5 | 129 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.