Daily Sunspot Evaluation
Observation Sheet Friday, 15 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)
- 62
- Relative number (R)
- 102
- Observer
- MS
- Reading
- all checks consistent
- File
- 20030815.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAC – 53 | -12 | 03W | 197 | 05W | 10.5 | 227 |
| 2 | BXO – 6 | -22 | 15E | 179 | 13E | 8 | 229 |
| 3 | AX – 1 | -19 | 21E | 173 | 19E | - | 231 |
| 4 | HA – 2 | -5 | 52E | 142 | 50E | 1 | 230 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.