Daily Sunspot Evaluation
Observation Sheet Sunday, 30 January 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)
- 6
- Number of spots (f)
- 21
- Relative number (R)
- 81
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20000130.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 20 | 08W | 350 | 10W | 1 | |
| 2 | AX – 1 | -26 | 75W | 59 | 77W | ||
| 3 | DSO – 5 | -31 | 38W | 20 | 40W | 4.5 | |
| 4 | CSO – 4 | -17 | 36W | 18 | 38W | 7 | |
| 5 | BAO – 4 | -17 | 03E | 339 | 01E | 4.5 | |
| 6 | CSO – 5 | -10 | 37E | 305 | 35E | 7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.