Daily Sunspot Evaluation
Observation Sheet Tuesday, 27 April 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)
- 11
- Number of spots (f)
- 79
- Relative number (R)
- 189
- Observer
- HM
- Reading
- all checks consistent
- File
- 19820427.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 2 | 2 | 68W | 353 | 71W | 6.5 | 180 |
| 2 | AXX – 2 | 9 | 43W | 328 | 46W | 1 | 185 |
| 3 | AXX – 2 | 14 | 33W | 318 | 36W | 0.75 | 182 |
| 4 | OKI – 25 | 20 | 31W | 316 | 34W | 12 | 177 |
| 5 | HSX – 1 | 5 | 29W | 314 | 32W | 2 | 172 |
| 6 | EKO – 19 | 12 | 28W | 313 | 31W | 13.5 | 171 |
| 7 | DAI – 20 | 22 | 07W | 292 | 10W | 11 | 176 |
| 8 | AXX – 1 | 16 | 62E | 223 | 59E | 184 | |
| 9 | ? – 1 | -3 | 77W | 2 | 80W | 175 | |
| 10 | HSX – 2 | -11 | 49W | 334 | 52W | 2 | 174 |
| 11 | DAO – 4 | -19 | 69E | 216 | 66E | 3.5 | 183 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.