Daily Sunspot Evaluation
Observation Sheet Tuesday, 2 May 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)
- 8
- Number of spots (f)
- 61
- Relative number (R)
- 141
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19890502.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRO – 6 | 27 | 40W | 349 | 43W | 3 | 436 |
| 2 | AX – 1 | 13 | 29W | 338 | 32W | - | 437 |
| 3 | BXO – 2 | 29 | 03E | 306 | 00 | 3.5 | 438 |
| 4 | AX – 3 | 21 | 16E | 293 | 13E | 1.5 | 439 |
| 5 | EAC – 24 | 29 | 46E | 263 | 43E | 12.5 | 440 |
| 6 | AX – 1 | -40 | 52W | 1 | 55W | - | 441 |
| 7 | CKO – 21 | -20 | 03W | 312 | 06W | 11 | 442 |
| 8 | CAO – 3 | -22 | 74E | 235 | 71E | 6.5 | 443 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.