Daily Sunspot Evaluation
Observation Sheet Thursday, 9 December 1993
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)
- 50
- Relative number (R)
- 110
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19931209.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 2 | 13 | 08W | 73 | 10W | 1.5 | 281 |
| 2 | ? – 1 | 5 | 83E | 342 | 81E | - | 280 |
| 3 | AX – 1 | -19 | 44W | 109 | 46W | - | 279 |
| 4 | AX – 1 | -15 | 33W | 98 | 35W | - | 282 |
| 5 | CAO – 24 | -9 | 18W | 83 | 20W | 8 | 278 |
| 6 | CRI – 21 | -21 | 17W | 82 | 19W | 8.5 | 277 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.