Daily Sunspot Evaluation
Observation Sheet Sunday, 4 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)
- 12
- Number of spots (f)
- 97
- Relative number (R)
- 217
- Observer
- YK
- Reading
- all checks consistent
- File
- 19890604.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 5 | 21 | 65W | 296 | 66W | 3.5 | 252 |
| 2 | HA – 1 | 23 | 64W | 295 | 65W | 2 | 255 |
| 3 | AX – 3 | 14 | 02W | 233 | 03W | 2 | 258 |
| 4 | CAI – 11 | 13 | 07E | 224 | 06E | 5 | 260 |
| 5 | HH – 2 | 25 | 72E | 159 | 71E | 3 | 263 |
| 6 | HH – 1 | -18 | 71W | 302 | 72W | 4 | 265 |
| 7 | CHI – 6 | -22 | 58W | 289 | 59W | 6 | 268 |
| 8 | DKC – 20 | -21 | 50W | 281 | 51W | 7 | 270 |
| 9 | BRO – 4 | -20 | 02W | 233 | 03W | 8 | 273 |
| 10 | CKI – 25 | -19 | 37E | 194 | 36E | 12 | 276 |
| 11 | CSI – 9 | -27 | 61E | 170 | 60E | 8 | 279 |
| 12 | EKC – 10 | -20 | 72E | 159 | 71E | 12 | 282 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.