Daily Sunspot Evaluation
Observation Sheet Saturday, 28 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)
- 7
- Number of spots (f)
- 27
- Relative number (R)
- 97
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19830528.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HMX – 1 | 12 | 64W | 161 | 67W | 3 | 131 |
| 2 | AXX – 1 | -12 | 60W | 157 | 63W | 145 | |
| 3 | DAS – 4 | -8 | 34W | 131 | 37W | 6 | 141 |
| 4 | HAX – 1 | -15 | 18W | 116 | 22W | 1 | 155 |
| 5 | DAI – 17 | -18 | 18W | 115 | 21W | 7 | 134 |
| 6 | HAX – 2 | -10 | 58E | 39 | 55E | 2 | 144 |
| 7 | AXX – 1 | -11 | 62E | 35 | 59E | 146 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.