Daily Sunspot Evaluation
Observation Sheet Saturday, 1 July 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)
- 10
- Number of spots (f)
- 65
- Relative number (R)
- 165
- Observer
- HE
- Reading
- all checks consistent
- File
- 19890701.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CKO – 6 | 26 | 63W | 299 | 66W | 10.5 | |
| 2 | CSI – 6 | 8 | 46W | 282 | 49W | 7 | |
| 3 | CSO – 3 | 21 | 40W | 276 | 43W | 9 | |
| 4 | EAC – 19 | 20 | 28W | 264 | 31W | 11.5 | |
| 5 | HS – 1 | 15 | 65E | 171 | 62E | 2 | |
| 6 | FSO – 2 | -19 | 70W | 306 | 73W | 20 | |
| 7 | HS – 1 | -21 | 56W | 292 | 59W | 2 | |
| 8 | DKC – 19 | -17 | 35W | 271 | 38W | 9 | |
| 9 | CAO – 6 | -14 | 65E | 171 | 62E | 9 | |
| 10 | HA – 2 | -18 | 65E | 171 | 62E | 3.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.