Daily Sunspot Evaluation
Observation Sheet Monday, 18 March 2002
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)
- 7
- Number of spots (f)
- 36
- Relative number (R)
- 106
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20020318.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 18 | 64W | 217 | 64W | ||
| 2 | ESO – 6 | -9 | 40W | 193 | 40W | 11.5 | |
| 3 | HA – 5 | -20 | 27W | 180 | 27W | ~3 | |
| 4 | BXO – 3 | -32 | 23W | 176 | 23W | ~7 | |
| 5 | DAI – 11 | -18 | 15W | 168 | 15W | 8 | |
| 6 | AX – 1 | -15 | 04E | 149 | 04E | ~ | |
| 7 | EHO – 9 | -19 | 13E | 140 | 13E | ~12 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.