Daily Sunspot Evaluation
Observation Sheet Tuesday, 30 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)
- 12
- Number of spots (f)
- 98
- Relative number (R)
- 218
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19890530.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 16 | 21 | 01E | 298 | 4 | ||
| 2 | CAO – 7 | 28 | 03E | 296 | 4.5 | ||
| 3 | AX – 1 | 19 | 27E | 272 | - | ||
| 4 | BXO – 5 | 18 | 68E | 231 | 4 | ||
| 5 | ? – 2 | 20 | 76E | 223 | 5 | ||
| 6 | ? – 4 | -10 | 80W | 19 | 8 | ||
| 7 | AX – 2 | -16 | 28W | 327 | 4 | ||
| 8 | AX – 1 | -18 | 22W | 321 | - | ||
| 9 | AX – 2 | -21 | 22W | 321 | 1.5 | ||
| 10 | HA – 16 | -21 | 05W | 304 | 4 | ||
| 11 | DAI – 9 | -22 | 10E | 289 | 5.5 | ||
| 12 | DAI – 33 | -22 | 18E | 281 | 8 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.