Daily Sunspot Evaluation
Observation Sheet Tuesday, 16 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)
- 31
- Relative number (R)
- 121
- Observer
- OG
- Reading
- all checks consistent
- File
- 19820216.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | 3 | 58W | 186 | 61W | 2 | 59 |
| 2 | HAX – 2 | 16 | 29W | 157 | 32W | 2 | 65 |
| 3 | DKO – 4 | 3 | 20E | 108 | 17E | 7.5 | 73 |
| 4 | HHX – 1 | 4 | 32E | 96 | 29E | 2.5 | 72 |
| 5 | DAI – 5 | 10 | 65E | 63 | 62E | 8 | 74 |
| 6 | FKC – 5 | -9 | 83W | 211 | 86W | 14 | 53 |
| 7 | HAX – 2 | -8 | 63W | 191 | 66W | 2 | 57 |
| 8 | AXX – 3 | -8 | 53W | 181 | 56W | 3 | 66 |
| 9 | CAI – 8 | -12 | 41W | 169 | 44W | 7 | 64 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.