Daily Sunspot Evaluation
Observation Sheet Wednesday, 5 July 1989
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)
- 13
- Number of spots (f)
- 90
- Relative number (R)
- 220
- Observer
- MB
- Reading
- all checks consistent
- File
- 19890705.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXI – 6 | 13 | 09E | 174 | 06E | 4 | 330 |
| 2 | AX – 3 | 16 | 13E | 170 | 10E | 2 | 323 |
| 3 | BXO – 2 | 21 | 15E | 168 | 12E | 3 | 323 |
| 4 | BRO – 2 | 11 | 16E | 167 | 13E | 3 | 337 |
| 5 | AX – 1 | 16 | 23E | 160 | 20E | - | 332 |
| 6 | CSI – 13 | 24 | 37E | 146 | 34E | 10.5 | 329 |
| 7 | CAI – 33 | 8 | 43E | 140 | 40E | 10 | 334 |
| 8 | ? – 1 | 17 | 79E | 104 | 76E | - | 335 |
| 9 | ? – 1 | 25 | 88E | 95 | 85E | - | 336 |
| 10 | BXO – 4 | -15 | 05E | 178 | 02E | 3 | 326 |
| 11 | DKO – 14 | -19 | 13E | 170 | 10E | 7 | 324 |
| 12 | BXI – 8 | -12 | 17E | 166 | 14E | 4 | 325 |
| 13 | ? – 2 | -11 | 77E | 106 | 74E | 6 | 322 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.