Daily Sunspot Evaluation
Observation Sheet Sunday, 16 February 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)
- 3
- Number of spots (f)
- 8
- Relative number (R)
- 38
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20030216.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 2 | -9 | 70W | 122 | 72W | 7 | 39 |
| 2 | AX – 3 | -13 | 17W | 69 | 19W | 1 | 38 |
| 3 | DSO – 3 | 10 | 68E | 344 | 66E | ~6 | 40 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.