Daily Sunspot Evaluation
Observation Sheet Thursday, 20 May 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)
- 10
- Number of spots (f)
- 53
- Relative number (R)
- 153
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19820520.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAX – 1 | 9 | 53W | 32 | 55W | 1.5 | 198 |
| 2 | ELC – 31 | 20 | 30E | 309 | 28E | 12.5 | 210 |
| 3 | HKX – 2 | 13 | 31E | 308 | 29E | 4 | 204 |
| 4 | BRX – 4 | 22 | 40E | 299 | 38E | 1.25 | 207 |
| 5 | AXX – 1 | 22 | 52E | 287 | 50E | 0.5 | 206 |
| 6 | CAO – 3 | -13 | 45W | 24 | 47W | 8 | 202 |
| 7 | AXX – 1 | -6 | 43W | 22 | 45W | - | 211 |
| 8 | AXX – 3 | -16 | 41W | 20 | 43W | 2.5 | 260 |
| 9 | HKX – 4 | -2 | 33W | 12 | 35W | 2.5 | 199 |
| 10 | ARX – 3 | -13 | 39E | 300 | 37E | 2 | 206 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.