Daily Sunspot Evaluation
Observation Sheet Friday, 29 July 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)
- 5
- Number of spots (f)
- 33
- Relative number (R)
- 83
- Observer
- TS
- Reading
- counts consistent, some coordinates doubtful
- File
- 19830729.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BAI – 8 | -15 | 27W | 23 ⚠ | 29W | 55 | 220 |
| 2 | AXX – 2 | -21 | 15E | 34 ⚠ | 13E | 1 | 218 |
| 3 | AXX – 2 | -12 | 22E | 33 | 20E | 1 | 221 |
| 4 | EKI – 20 | -11 | 62E | 29 ⚠ | 60E | 15 | 220 219 |
| 5 | HAX – 1 | -23 | 71E | 28 ⚠ | 69E | 3 | 222 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.