Daily Sunspot Evaluation
Observation Sheet Sunday, 17 January 1982
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)
- 10
- Number of spots (f)
- 51
- Relative number (R)
- 151
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19820117.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DKC – 14 | 1 | 17W | 180 | 20W | 9 | 22 |
| 2 | DAI – 4 | 4 | 41E | 122 | 38E | 4 | 26 |
| 3 | HAX – 1 | 8 | 50E | 113 | 47E | 2 | 00 |
| 4 | DAC – 9 | -9 | 28W | 191 | 31W | 5 | 03 |
| 5 | AXX – 1 | -11 | 25W | 188 | 28W | 28 | |
| 6 | ARX – 2 | -19 | 25W | 188 | 28W | 0.5 | 27 |
| 7 | DAO – 4 | -15 | 18W | 181 | 21W | 4.5 | 05 |
| 8 | HAX – 4 | -9 | 09W | 172 | 12W | 2.25 | 19 |
| 9 | DAO – 7 | -13 | 03W | 166 | 06W | 8.5 | 18 |
| 10 | BRO – 5 | -16 | 06E | 157 | 03E | 3.5 | 21 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.