Daily Sunspot Evaluation
Observation Sheet Saturday, 7 October 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)
- 40
- Relative number (R)
- 100
- Observer
- MB
- Reading
- all checks consistent
- File
- 20001007.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 14 | 75W | 338 | 74W | -10 | |
| 2 | CSI – 12 | 2 | 18E | 245 | 19E | -14 | |
| 3 | ? – 1 | -13 | 80W | 343 | 79W | ? | |
| 4 | DAO – 6 | -10 | 60W | 323 | 59W | .9 | |
| 5 | HA – 4 | -22 | 53W | 316 | 52W | -25 | |
| 6 | CAI – 14 | -29 | 10E | 253 | 11E | -4.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.