Daily Sunspot Evaluation
Observation Sheet Sunday, 24 April 1983
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)
- 6
- Number of spots (f)
- 35
- Relative number (R)
- 95
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19830424.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | -108 | 52W | 238 | 55W | 100 | |
| 2 | CAO – 9 | 11 | 34W | 220 | 37W | 8 | 96 |
| 3 | CKE – 15 | -13 | 12E | 174 | 09E | 85 | 98 |
| 4 | DKO – 6 | -13 | 51E | 135 | 48E | 65 | 102 |
| 5 | DAO – 3 | -17 | 62E | 124 | 59E | 45 | 103 |
| 6 | ? – 1 | -4 | 78E | 106 | 75E | 109 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.