Daily Sunspot Evaluation
Observation Sheet Tuesday, 7 March 2000
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)
- 9
- Number of spots (f)
- 69
- Relative number (R)
- 159
- Observer
- ıH
- Reading
- counts consistent, some coordinates doubtful
- File
- 20000307.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 20 | 32W | 287 ⚠ | 75W | 2 | |
| 2 | FKI – 14 | -17 | 59W | 274 | 62W | 18 | |
| 3 | EAC – 15 | -17 | 16W | 231 | 19W | ~12 | |
| 4 | HA – 6 | -12 | 11W | 226 | 14W | 3 | |
| 5 | EKC – 24 | -14 | 16E | 199 | 13E | 11 | |
| 6 | DAO – 3 | -13 | 33E | 182 | 30E | ~5 | |
| 7 | HA – 2 | -17 | 45E | 170 | 42E | ~1 | |
| 8 | DAO – 3 | -15 | 58E | 157 | 55E | ~8 | |
| 9 | HA – 1 | -18 | 75E | 140 | 72E | 3 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.