Daily Sunspot Evaluation
Observation Sheet Monday, 6 December 1999
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)
- 6
- Number of spots (f)
- 32
- Relative number (R)
- 92
- Observer
- SB0
- Reading
- all checks consistent
- File
- 19991206.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 1 | -13 | 78W | 64 | 80W | 3 | |
| 2 | HA – 4 | 10 | 02E | 344 | 00 | 3 | |
| 3 | HE – 3 | 13 | 13E | 333 | 11E | 3 | +H-3 |
| 4 | AX – 2 | 13 | 19E | 327 | 17E | ||
| 5 | EK – 17 | 9 | 38E | 308 | 36E | 17 | |
| 6 | HA – 5 | 10 | 56E | 290 | 54E | 1 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.