Daily Sunspot Evaluation
Observation Sheet Thursday, 3 February 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)
- 7
- Number of spots (f)
- 30
- Relative number (R)
- 100
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20000203.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 8 | 23 | 42W | 332 | 45W | 4 | |
| 2 | DSI – 13 | 26 | 00 | 290 | 03W | 10.5 | |
| 3 | HA – 3 | -9 | 21W | 311 | 24W | 3 | |
| 4 | CRO – 2 | -20 | 14E | 276 | 11E | 1.5 | |
| 5 | HA – 2 | -35 | 68E | 222 | 65E | 3 | |
| 6 | HA – 1 | -16 | 78E | 212 | 75E | 4 | |
| 7 | ? – 1 | -11 | 81E | 209 | 78E | ? | 2-1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.