Daily Sunspot Evaluation
Observation Sheet Sunday, 7 October 2001
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)
- 10
- Number of spots (f)
- 50
- Relative number (R)
- 150
- Observer
- AK0
- Reading
- counts consistent, some coordinates doubtful
- File
- 20011007.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 1 | 5 | 31W | 159 | 33W | 0.5 | |
| 2 | AX – 2 | 21 | 16W | 194 ⚠ | 18W | 0.5 | |
| 3 | EAO – 3 | -19 | 73W | 201 | 75W | 19 | |
| 4 | HK – 2 | -12 | 53W | 181 | 55W | 3 | |
| 5 | AX – 2 | -25 | 47W | 175 | 49W | ||
| 6 | CAO – 4 | -20 | 04W | 132 | 06W | ~4 | |
| 7 | AX – 1 | -20 | 13E | 115 | 11E | ||
| 8 | CAO – 8 | -6 | 18E | 110 | 16E | 5.5 | |
| 9 | CAO – 16 | -13 | 25E | 103 | 23E | ~11 | |
| 10 | EKO – 11 | -22 | 50E | 78 | 48E | 14 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.