Daily Sunspot Evaluation
Observation Sheet Saturday, 10 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)
- 40
- Relative number (R)
- 150
- Observer
- OG
- Reading
- all checks consistent
- File
- 19820410.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 9 | 6 | 43W | 191 | 45W | 8 | 157 |
| 2 | HAX – 1 | 8 | 17W | 165 | 19W | 1 | 143 |
| 3 | DAI – 8 | 15 | 27E | 121 | 25E | 7 | 157 |
| 4 | HKX – 1 | 11 | 29E | 119 | 27E | 3 | 149 |
| 5 | HAX – 2 | 2 | 41E | 107 | 39E | 1.5 | 153 |
| 6 | ? – 1 | 15 | 65E | 83 | 63E | 1 | 158 |
| 7 | ? – 1 | -16 | 73W | 221 | 75W | 139 | |
| 8 | CAO – 4 | -11 | 13W | 161 | 15W | 2.5 | 140 |
| 9 | HAX – 1 | -4 | 27E | 121 | 25E | 2.5 | 148 |
| 10 | DAI – 9 | -28 | 47E | 101 | 45E | 10 | 157 |
| 11 | CKO – 3 | -11 | 69E | 79 | 67E | 7 | 157 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.