Daily Sunspot Evaluation
Observation Sheet Friday, 23 July 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)
- 7
- Number of spots (f)
- 17
- Relative number (R)
- 87
- Observer
- SM
- Reading
- all checks consistent
- File
- 19820723.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 5 | 15 | 71W | 285 | 74W | 10 | 273 |
| 2 | AXX – 1 | 24 | 58W | 272 | 61W | 272 | |
| 3 | AXX – 3 | 16 | 52W | 266 | 55W | 3.5 | 281 |
| 4 | CAO – 5 | 17 | 27W | 241 | 30W | 5 | 276 |
| 5 | AXX – 1 | 20 | 17W | 231 | 20W | 282 | |
| 6 | HAX – 1 | -4 | 69W | 283 | 72W | 1 | 270 |
| 7 | AXX – 1 | -22 | 58W | 272 | 61W | 277 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.