Daily Sunspot Evaluation
Observation Sheet Sunday, 12 June 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)
- 3
- Number of spots (f)
- 47
- Relative number (R)
- 77
- Observer
- HıE
- Reading
- all checks consistent
- File
- 19660612.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 19 | 07°E | 122 | |||
| 2 | H – 44 | 22 | 16°E | 113 | |||
| 3 | A – 1 | 23 | 51°W | 180 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.