Daily Sunspot Evaluation
Observation Sheet Monday, 19 June 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)
- 15
- Number of spots (f)
- 177
- Relative number (R)
- 327
- Observer
- HE
- Reading
- all checks consistent
- File
- 19890619.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | FKC – 35 | 20 | 60W | 90 | 59W | 22 | 387 |
| 2 | CSI – 25 | 18 | 48W | 78 | 47W | 11.5 | 391 |
| 3 | BRI – 12 | 29 | 28W | 58 | 27W | 5 | 395 |
| 4 | AR – 3 | 31 | 13W | 43 | 12W | 1 | 396 |
| 5 | BRO – 12 | 17 | 17E | 13 | 18E | 4.5 | 399 |
| 6 | DAO – 10 | 20 | 34E | 356 | 35E | 8 | 398 |
| 7 | FKO – 3 | -10 | 65W | 95 | 64W | 17.5 | 399 |
| 8 | FHI – 38 | -20 | 38W | 68 | 37W | 24 | 401 |
| 9 | AX – 2 | -20 | 06E | 24 | 07E | 0.5 | 399 |
| 10 | AX – 6 | -29 | 09E | 21 | 10E | 1.5 | 397 |
| 11 | CKO – 9 | -20 | 24E | 6 | 25E | 10 | 397 |
| 12 | BRI – 12 | -12 | 30E | 0 | 31E | 4.5 | 397 |
| 13 | AX – 3 | -24 | 38E | 352 | 39E | 1 | 397 |
| 14 | HS – 1 | -16 | 54E | 336 | 55E | 2 | 397 |
| 15 | ? – 6 | -19 | 80E | 310 | 81E | 10 | 397 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.