Daily Sunspot Evaluation
Observation Sheet Friday, 8 April 1988
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)
- 5
- Number of spots (f)
- 36
- Relative number (R)
- 86
- Observer
- HG
- Reading
- all checks consistent
- File
- 19880408.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CKE – 14 | 25 | 05E | 37 | 04E | 9.5 | 65 |
| 2 | EKO – 8 | 18 | 10E | 32 | 07E | 12.5 | 64 |
| 3 | ? – 5 | 15 | 71E | 331 | 70E | 6 | 67 |
| 4 | CKE – 8 | -31 | 55E | 347 | 54E | 9 | 60 |
| 5 | HA – 1 | -19 | 68E | 334 | 67E | 1.5 | 68 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.