Daily Sunspot Evaluation
Observation Sheet Saturday, 23 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)
- 8
- Number of spots (f)
- 56
- Relative number (R)
- 136
- Observer
- TS
- Reading
- all checks consistent
- File
- 19830723.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HKX – 2 | 13 | 53W | 129 | 56W | 3 | 197 |
| 2 | DAI – 22 | 8 | 19W | 95 | 22W | 11 | 211 |
| 3 | CAI – 13 | 11 | 07W | 83 | 10W | 7 | 207 |
| 4 | DKI – 8 | -8 | 70W | 146 | 73W | 10 | 206 |
| 5 | AXX – 1 | -5 | 60W | 136 | 63W | - | 205 |
| 6 | CAI – 8 | -5 | 21W | 97 | 24W | 6 | 212 |
| 7 | AXX – 1 | -14 | 15E | 61 | 12E | - | 216 |
| 8 | AXX – 1 | -7 | 49E | 27 | 46E | - | 215 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.