Daily Sunspot Evaluation
Observation Sheet Thursday, 14 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)
- 32
- Relative number (R)
- 112
- Observer
- TS
- Reading
- all checks consistent
- File
- 19830714.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CKI – 8 | 15 | 15W | 209 | 17W | 7.5 | 143 |
| 2 | BXE – 4 | 18 | 32E | 164 | 30E | 4 | 159 |
| 3 | AXX – 1 | 4 | 33E | 161 | 31E | 200 | |
| 4 | HSXI – 1 | 13 | 68E | 126 | 66E | 4 | 197 |
| 5 | BXO – 2 | -11 | 72W | 266 | 74E | 7 | 187 |
| 6 | ? – 1 | -19 | 83W | 277 | 85W | 10 | 185 |
| 7 | CAO – 5 | -16 | 23W | 217 | 25W | 4 | 188 |
| 8 | CAI – 10 | -15 | 39E | 155 | 37E | 8.5 | 184 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.