Daily Sunspot Evaluation
Observation Sheet Monday, 19 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)
- 9
- Number of spots (f)
- 29
- Relative number (R)
- 119
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19820419.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HMX – 1 | 4 | 03E | 27 | 00 | 3 | 173 |
| 2 | HMX – 1 | 3 | 76E | 314 | 70E | 172 | |
| 3 | ? – 1 | 11 | 80E | 310 | 77E | 171 | |
| 4 | HMX – 1 | -26 | 72W | 102 | 75W | 2 | 151 |
| 5 | HSX – 1 | -7 | 48W | 78 | 51W | 2.5 | 100E |
| 6 | DAC – 20 | -18 | 24W | 54 | 27W | 10 | 167 |
| 7 | HMX – 2 | -14 | 56E | 334 | 53E | 4 | 170 |
| 8 | AXX – 1 | -12 | 60E | 330 | 57E | 171 | |
| 9 | AXX – 1 | -18 | 61E | 329 | 58E | 173 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.