Daily Sunspot Evaluation
Observation Sheet Friday, 23 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)
- 10
- Number of spots (f)
- 79
- Relative number (R)
- 179
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19820423.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HHX – 1 | 6 | 52W | 27 | 52W | 3 | 163 |
| 2 | DAO – 4 | 2 | 13W | 348 | 13W | 4.5 | 180 |
| 3 | AXX – 2 | 6 | 00 | 335 | 00 | 2.5 | 179 |
| 4 | AXX – 1 | 4 | 00 | 335 | 00 | 178 | |
| 5 | DKC – 28 | 19 | 19E | 316 | 19E | 10 | 177 |
| 6 | CAO – 3 | 4 | 23E | 312 | 23E | 4.5 | 172 |
| 7 | EKC – 31 | 11 | 26E | 309 | 26E | 11.5 | 171 |
| 8 | CAI – 5 | 22 | 43E | 292 | 43E | 7 | 176 |
| 9 | AXX – 1 | -1 | 27W | 2 | 27W | 175 | |
| 10 | AKX – 3 | -13 | 02E | 333 | 02E | 2.75 | 174 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.