Daily Sunspot Evaluation
Observation Sheet Saturday, 2 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)
- 4
- Number of spots (f)
- 56
- Relative number (R)
- 96
- Observer
- HM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880402.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAF – 33 | 20 | 39E | 157 ⚠ | 37W | 12 | 56 |
| 2 | HA – 2 | -34 | 66W | 119 ⚠ | 55 | ||
| 3 | DAI – 13 | -21 | 30W | 153 | 33W | 8 | 60 |
| 4 | DSO – 8 | -21 | 10W | 133 | 59 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.