Daily Sunspot Evaluation
Observation Sheet Friday, 16 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)
- 22
- Relative number (R)
- 72
- Observer
- ZFB
- Reading
- all checks consistent
- File
- 20030516.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CSO – 4 | 8 | 20W | 338 | 23W | 6 | 122 |
| 2 | DSO – 6 | 18 | 19W | 337 | 22W | 5.5 | 120 |
| 3 | CRS – 6 | 8 | 36E | 282 | 33E | 5 | 128 |
| 4 | HS – 2 | -18 | 17E | 301 | 14E | 4.5 | 123 |
| 5 | ? – 4 | -12 | 75E | 243 | 72E | 10.5 | 129 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.