Daily Sunspot Evaluation
Observation Sheet Sunday, 3 April 1966
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)
- 52
- Relative number (R)
- 92
- Observer
- HıE
- Reading
- all checks consistent
- File
- 19660403.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 48 | 27 | 02E | 333 | |||
| 2 | A – 1 | 20 | 45E | 290 | |||
| 3 | A – 1 | -28 | 41E | 294 | |||
| 4 | B – 2 | 31 | 17W | 352 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.