Daily Sunspot Evaluation
Observation Sheet Tuesday, 26 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)
- 8
- Number of spots (f)
- 37
- Relative number (R)
- 117
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830426.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 7 | 11 | 63W | 222 | 65W | 5 | 96 |
| 2 | CAO – 2 | 18 | 28E | 131 | 26E | 4 | 109 |
| 3 | HAI – 7 | -11 | 16W | 175 | 18W | 3 | 99 |
| 4 | AXX – 1 | -14 | 10W | 169 | 12W | 110 | |
| 5 | DAO – 6 | -12 | 24E | 135 | 22E | 6.5 | 102 |
| 6 | DKC – 11 | -17 | 35E | 124 | 33E | 55 | 103 |
| 7 | HAX – 1 | -4 | 50E | 109 | 48E | 1.75 | 109 |
| 8 | BRO – 2 | -5 | 58E | 101 | 56E | 3 | 108 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.