Daily Sunspot Evaluation
Observation Sheet Thursday, 19 November 1998
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
- SB0
- Reading
- all checks consistent
- File
- 19981119.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 22 | 01W | 349 | 03W | 4.5 | 20h 325 |
| 2 | DSO – 6 | -28 | 40W | 28 | 43W | 6 | 20h 340 |
| 3 | CSI – 8 | -17 | 58E | 290 | 55W | 7.5 | 20h 344 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.