Daily Sunspot Evaluation
Observation Sheet Saturday, 16 August 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)
- 4
- Number of spots (f)
- 54
- Relative number (R)
- 94
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20030816.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 5 | -18 | 32W | 213 | 35W | 3 | 232 |
| 2 | EAC – 42 | -12 | 16W | 197 | 19W | ~11.5 | 227 |
| 3 | DSO – 6 | -22 | 02E | 179 | 01W | ~7.5 | 229 |
| 4 | HS – 1 | -4 | 39E | 142 | 36E | ~0.5 | 230 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.