Daily Sunspot Evaluation
Observation Sheet Sunday, 15 June 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)
- 24
- Relative number (R)
- 64
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20030615.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 2 | 82W | 1 | 82W | ? | 151 |
| 2 | DSO – 5 | 29 | 39E | 239 | 39E | ~6 | 161 |
| 3 | DSO – 4 | -19 | 54W | 333 | 54W | ~4.5 | 158 |
| 4 | EAI – 14 | -16 | 31W | 310 | 31W | 11 | 155 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.