Daily Sunspot Evaluation
Observation Sheet Thursday, 5 July 1990
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)
- 11
- Number of spots (f)
- 112
- Relative number (R)
- 222
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19900705.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRI – 6 | 12 | 52W | 96 | 54W | 5.5 | 273 |
| 2 | DKC – 15 | 9 | 36W | 80 | 38W | 10 | 276 |
| 3 | DKC – 14 | 17 | 00 | 44 | 02W | 10 | 280 |
| 4 | BXI – 6 | 13 | 07E | 37 | 05E | 6 | 285 |
| 5 | DKO – 7 | 22 | 22E | 22 | 20E | 8 | 286 |
| 6 | ? – 2 | -21 | 75W | 119 | 77W | 18 | 266 |
| 7 | FHI – 18 | -12 | 45W | 89 | 47W | 17 | 274 |
| 8 | EAC – 21 | -21 | 29W | 73 | 31W | 12 | 277 |
| 9 | CAI – 9 | -14 | 27W | 71 | 29W | 9 | 281 |
| 10 | BXI – 8 | -28 | 10W | 54 | 12W | 8 | 278 |
| 11 | CAO – 6 | -17 | 04W | 48 | 06W | 10 | 284 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.