Daily Sunspot Evaluation
Observation Sheet Tuesday, 6 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)
- 53
- Relative number (R)
- 143
- Observer
- OG
- Reading
- all checks consistent
- File
- 19820406.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ARX – 1 | 19 | 69W | 270 | 71W | 1 | 131 |
| 2 | CAO – 10 | 8 | 01E | 200 | 01W | 4 | 134 |
| 3 | HAX – 6 | 4 | 12E | 189 | 10E | 2.5 | 137 |
| 4 | HAX – 1 | 6 | 38E | 163 | 36E | 2 | 142 |
| 5 | ARI – 7 | 7 | 47E | 154 | 45E | 2 | 140 |
| 6 | HAI – 7 | -7 | 30W | 231 | 32W | 3 | 149 |
| 7 | HAX – 4 | -17 | 20W | 221 | 22W | 2 | 139 |
| 8 | ERI – 12 | -18 | 11W | 212 | 13W | 4.5 | 138 |
| 9 | HAX – 5 | -14 | 41E | 160 | 39E | 4.5 | 140 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.