Daily Sunspot Evaluation
Observation Sheet Saturday, 16 December 2000
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)
- 12
- Number of spots (f)
- 51
- Relative number (R)
- 171
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 20001216.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 4 | 23 | 68W | 132 | 70W | 7 | |
| 2 | AX – 1 | 16 | 38W | 102 | 40W | ||
| 3 | CRO – 6 | 15 | 23W | 87 | 25W | ~7 | |
| 4 | DRO – 4 | 21 | 22W | 86 | 24W | 5 | |
| 5 | EAO – 6 | 7 | 21W | 85 | 23W | 10 | |
| 6 | CRI – 4 | 12 | 01E | 63 | 01W | 4 | |
| 7 | CRO – 2 | 18 | 04E | 60 | 02E | 10 | |
| 8 | DRO – 6 | 15 | 32E | 32 | 30E | ~5.5 | |
| 9 | HR – 3 | 20 | 67E | 357 | 65E | 6 | |
| 10 | BXI – 4 | -20 | 46W | 110 | 48W | 7 | |
| 11 | EAC – 10 | -24 | 00 | 64 | 02W | 11 | |
| 12 | HS – 1 | -17 | 45E | 19 | 43E | ~2.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.