Daily Sunspot Evaluation
Observation Sheet Wednesday, 17 March 2004
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)
- 7
- Relative number (R)
- 47
- Observer
- MS
- Reading
- all checks consistent
- File
- 20040317.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 18 | 63W | 302 | 65W | - | 38 |
| 2 | DSO – 2 | -13 | 71W | 310 | 73W | 5 | 37 |
| 3 | HR – 2 | -12 | 15E | 224 | 13E | 1 | 39 |
| 4 | DRO – 2 | -3 | 66E | 173 | 64E | ~4 | 40 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.