Daily Sunspot Evaluation
Observation Sheet Saturday, 27 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)
- 105
- Relative number (R)
- 225
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19890527.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 6 | 33 | 71W | 46 | 70W | 13 | |
| 2 | BRO – 5 | 11 | 45W | 20 | 44W | 3.5 | |
| 3 | HA – 12 | 21 | 36E | 299 | 37E | 3.5 | |
| 4 | HA – 1 | 28 | 38E | 297 | 39E | 2 | |
| 5 | HA – 1 | -27 | 80W | 55 | 79W | 2 | |
| 6 | FKC – 34 | -20 | 57W | 32 | 56W | 18 | |
| 7 | BXO – 3 | -9 | 40W | 15 | 39W | 4 | |
| 8 | AX – 6 | -15 | 10E | 325 | 11E | 1.5 | |
| 9 | HA – 4 | -20 | 14E | 321 | 15E | 2 | |
| 10 | HH – 23 | -21 | 30E | 305 | 31E | 5 | |
| 11 | BRO – 6 | -23 | 54E | 281 | 55E | 5.5 | |
| 12 | BXO – 4 | -20 | 66E | 269 | 67E | 6 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.