Daily Sunspot Evaluation
Observation Sheet Sunday, 21 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)
- 6
- Relative number (R)
- 36
- Observer
- TG
- Reading
- all checks consistent
- File
- 20041121.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 14 | 45E | 145 | 42E | ~2 | 205 |
| 2 | DRO – 4 | 10 | 50E | 140 | 47E | ~7 | 206 |
| 3 | HS – 1 | -15 | 52W | 242 | 55W | 1.5 | 202 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.