Daily Sunspot Evaluation
Observation Sheet Thursday, 8 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)
- 14
- Number of spots (f)
- 35
- Relative number (R)
- 175
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19820408.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ARX – 1 | 8 | 27W | 203 | 30W | 149 | |
| 2 | CAO – 7 | 5 | 14W | 190 | 17W | 3.5 | 137 |
| 3 | HAX – 2 | 7 | 11E | 165 | 08E | 1.25 | 148 |
| 4 | AXX – 3 | 8 | 20E | 156 | 17E | 2 | 141 |
| 5 | HHX – 1 | 12 | 56E | 120 | 53E | 35 | 149 |
| 6 | HAX – 1 | 3 | 69E | 107 | 66E | 1.25 | 153 |
| 7 | HAX – 1 | -17 | 47W | 223 | 50W | 2 | 139 |
| 8 | CAI – 8 | -13 | 15E | 161 | 12E | 4 | 140 |
| 9 | AXX – 1 | -18 | 16E | 160 | 13E | 156 | |
| 10 | AXX – 2 | -24 | 20E | 156 | 17E | 0.75 | 155 |
| 11 | BXO – 3 | -7 | 29E | 147 | 26E | 3.25 | 154 |
| 12 | HAX – 2 | -5 | 57E | 119 | 54E | 2 | 148 |
| 13 | ARX – 1 | -9 | 69E | 107 | 66E | 152 | |
| 14 | HAX – 2 | -29 | 75E | 101 | 72E | 6 | 151 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.