Daily Sunspot Evaluation
Observation Sheet Sunday, 1 May 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)
- 9
- Number of spots (f)
- 61
- Relative number (R)
- 151
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19830501.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HRX – 1 | 15 | 43W | 137 | 46W | 0.75 | 102 |
| 2 | CRI – 7 | 19 | 41W | 135 | 44W | 6 | 109 |
| 3 | HAX – 1 | -11 | 80W | 174 | 83W | 2 | 99 |
| 4 | HSX – 2 | -12 | 39W | 133 | 42W | 2 | 102 |
| 5 | HAX – 3 | -19 | 30W | 124 | 33W | 3.5 | 103 |
| 6 | DKI – 25 | -15 | 21W | 115 | 24W | 3.75 | 111 |
| 7 | BRO – 3 | -3 | 18W | 112 | 21W | 2 | 104 |
| 8 | AXX – 1 | -8 | 35E | 59 | 32E | 115 | |
| 9 | DAC – 18 | -11 | 53E | 41 | 50E | 11.75 | 116 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.