Daily Sunspot Evaluation
Observation Sheet Monday, 24 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)
- 12
- Number of spots (f)
- 159
- Relative number (R)
- 279
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19890724.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 15 | 28 | 67W | 359 | 71W | 9 | 156 |
| 2 | BRO – 8 | 19 | 29W | 321 | 33W | 8 | 350 |
| 3 | BRI – 14 | 15 | 25W | 317 | 29W | 8 | 39 |
| 4 | BRO – 3 | 23 | 10W | 302 | 14W | 5.5 | 309 |
| 5 | HH – 1 | 27 | 03E | 289 | 01W | 3 | 179 |
| 6 | BRI – 18 | 25 | 14E | 278 | 10E | 9 | 157 |
| 7 | DAC – 42 | -12 | 29W | 321 | 33W | 9 | 357 |
| 8 | CAI – 16 | -32 | 24W | 316 | 28W | 9 | 367 |
| 9 | CKI – 25 | -23 | 14W | 306 | 18W | 9 | 352 |
| 10 | AX – 1 | -14 | 01W | 293 | 05W | - | 369 |
| 11 | BRO – 4 | -20 | 05E | 287 | 01E | 4 | 358 |
| 12 | CAI – 12 | -19 | 58E | 234 | 54E | 4 | 32 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.