Daily Sunspot Evaluation
Observation Sheet Wednesday, 15 August 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)
- 11
- Number of spots (f)
- 60
- Relative number (R)
- 170
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20010815.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 6 | 14 | 52W | 161 | 55W | 4 | |
| 2 | AX – 2 | 21 | 33W | 142 | 36W | 1 | |
| 3 | HS – 1 | 7 | 33W | 142 | 36W | 2 | |
| 4 | HK – 1 | 12 | 30E | 79 | 27E | v3 | |
| 5 | HS – 1 | 24 | 71E | 38 | 68E | 2 | |
| 6 | EKI – 15 | -3 | 56W | 165 | 54W | 11 | |
| 7 | CKI – 9 | -9 | 47W | 156 | 50W | 13 | |
| 8 | HS – 2 | -22 | 14W | 123 | 14W | v1 | |
| 9 | CAI – 7 | -17 | 12W | 121 | 15W | 4 | |
| 10 | CSI – 10 | -8 | 11W | 120 | 14W | 10 | |
| 11 | BXO – 6 | -28 | 01E | 108 | 02W | 3.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.