Daily Sunspot Evaluation
Observation Sheet Monday, 15 February 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)
- 9
- Number of spots (f)
- 51
- Relative number (R)
- 141
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19820215.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 25 | 73W | 213 | 75W | 68 | |
| 2 | HSX – 1 | 3 | 45W | 185 | 47W | 2 | 59 |
| 3 | CAI – 5 | 16 | 18W | 158 | 20W | 2.5 | 65 |
| 4 | DKO – 4 | 3 | 32E | 108 | 30E | 6 | 73 |
| 5 | HHX – 1 | 4 | 44E | 96 | 42E | 2.5 | 72 |
| 6 | FKC – 21 | -10 | 73W | 213 | 75W | 20 | 53 |
| 7 | CAI – 8 | -9 | 51W | 191 | 53W | 4.5 | 57 |
| 8 | AXX – 2 | -9 | 40W | 180 | 42W | 1.5 | 66 |
| 9 | CAI – 8 | -12 | 29W | 169 | 31W | 6.5 | 69 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.