Daily Sunspot Evaluation
Observation Sheet Thursday, 18 November 2004
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)
- 3
- Number of spots (f)
- 16
- Relative number (R)
- 46
- Observer
- TG
- Reading
- all checks consistent
- File
- 20041118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 3 | -13 | 42W | 272 | 45W | 3 | 200 |
| 2 | DRO – 10 | -10 | 32W | 262 | 35W | 7 | 203 |
| 3 | HS – 3 | -14 | 12W | 242 | 15W | 2 | 202 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.