Daily Sunspot Evaluation
Observation Sheet Friday, 13 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)
- 11
- Number of spots (f)
- 78
- Relative number (R)
- 188
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20001013.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAC – 10 | 11 | 75W | 262 | 77W | 8 | |
| 2 | EKI – 18 | 3 | 70W | 257 | 72W | 12 | |
| 3 | DAI – 9 | 5 | 23W | 210 | 25W | 7 | |
| 4 | AX – 2 | 14 | 02E | 185 | 00 | 1 | |
| 5 | AX – 1 | 18 | 38E | 149 | 36E | - | |
| 6 | BXO – 2 | 20 | 68E | 119 | 66E | 6 | |
| 7 | DAO – 6 | -35 | 56W | 243 | 58W | 8 | |
| 8 | BXO – 5 | -10 | 26W | 213 | 28W | 7 | |
| 9 | DAO – 7 | -13 | 14W | 201 | 16W | 7 | |
| 10 | DAC – 14 | -17 | 19E | 168 | 17E | 9 | |
| 11 | DAO – 4 | -12 | 60E | 127 | 58E | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.