Daily Sunspot Evaluation
Observation Sheet Wednesday, 21 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)
- 16
- Number of spots (f)
- 95
- Relative number (R)
- 255
- Observer
- HE
- Reading
- all checks consistent
- File
- 19890621.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 25 | 75W | 83 | 79W | 2 | 281 |
| 2 | BRO – 6 | 17 | 72W | 80 | 76W | 12 | 284 |
| 3 | CAO – 5 | 29 | 52W | 60 | 56W | 6 | 290 |
| 4 | AX – 2 | 31 | 35W | 43 | 39W | 0.5 | 295 |
| 5 | CAO – 3 | 14 | 07W | 15 | 11W | 4 | 305 |
| 6 | DAI – 14 | 21 | 12E | 356 | 08E | 7 | 310 |
| 7 | DKC – 10 | 26 | 68E | 300 | 64E | 10 | 316 |
| 8 | ? – 1 | 8 | 85E | 283 | 81E | - | 322 |
| 9 | ? – 1 | -11 | 82W | 90 | 86W | - | 329 |
| 10 | PHI – 8 | -20 | 62W | 70 | 66W | 23 | 336 |
| 11 | HS – 5 | -20 | 01W | 9 | 05W | 2.5 | 346 |
| 12 | BXO – 9 | -12 | 07E | 1 | 03E | 4.5 | 356 |
| 13 | AX – 2 | -25 | 15E | 353 | 11E | - | 367 |
| 14 | HS – 2 | -16 | 32E | 336 | 28E | 2 | 374 |
| 15 | FKC – 24 | -18 | 61E | 307 | 57E | 16 | |
| 16 | ? – 2 | -19 | 82E | 286 | 78E | 15 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.