Daily Sunspot Evaluation
Observation Sheet Monday, 9 January 1984
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)
- 5
- Number of spots (f)
- 36
- Relative number (R)
- 86
- Observer
- TS
- Reading
- all checks consistent
- File
- 19840109.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | -10 | 19W | 12 | 22W | 5 | |
| 2 | CAI – 25 | -15 | 18W | 11 | 21W | 5 | 6 |
| 3 | BRX – 4 | -2 | 28E | 325 | 25E | 1 | 3 |
| 4 | CAO – 5 | -6 | 38E | 315 | 35E | 3 | 4 |
| 5 | ? – 1 | -13 | 85E | 268 | 83E | 5 | 7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.