Daily Sunspot Evaluation
Observation Sheet Monday, 17 March 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)
- 32
- Relative number (R)
- 62
- Observer
- —
- Reading
- all checks consistent
- File
- 20030317.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 7 | 5 | 53W | 82 | 54W | 6 | 56 |
| 2 | HR – 2 | -11 | 57W | 86 | 58W | 1 | 57 |
| 3 | EKSC – 23 | -15 | 32W | 61 | 33W | 12 | 63 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.