Daily Sunspot Evaluation
Observation Sheet Wednesday, 2 February 1983
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)
- 7
- Number of spots (f)
- 37
- Relative number (R)
- 107
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 2 | 5 | 70W | 244 | 72W | 2.5 | 32 |
| 2 | HSX – 1 | 5 | 42W | 216 | 44W | 2 | 33 |
| 3 | HAX – 2 | -9 | 75W | 249 | 77W | 2.5 | 34 |
| 4 | AXX – 1 | -16 | 14W | 188 | 16W | 40 | |
| 5 | CAI – 6 | -15 | 10W | 184 | 12W | 4.5 | 37 |
| 6 | CAO – 2 | -14 | 01W | 175 | 03W | 2 | 38 |
| 7 | DKC – 23 | -17 | 05E | 169 | 03E | 7 | 39 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.