Daily Sunspot Evaluation
Observation Sheet Sunday, 18 November 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)
- 7
- Number of spots (f)
- 36
- Relative number (R)
- 106
- Observer
- TÇ
- Reading
- counts consistent, some coordinates doubtful
- File
- 20011118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 5 | 25W | 10 ⚠ | 2 | ||
| 2 | HS – 1 | 10 | 58W | 353 | 1.5 | ||
| 3 | CAO – 6 | 24 | 15W | 310 | 5 | ||
| 4 | DKC – 12 | 12 | 3W | 301 | 6 | ||
| 5 | HA – 3 | -25 | 21W | 299 ⚠ | 4.5 | ||
| 6 | DKC – 12 | -16 | 28E | 267 | 7 | ||
| 7 | HS – 1 | 10 | 27W | 302 ⚠ | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.