Daily Sunspot Evaluation
Observation Sheet Thursday, 7 July 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)
- 49
- Relative number (R)
- 89
- Observer
- HıE
- Reading
- all checks consistent
- File
- 19660707.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 21 | 03E | 156 | |||
| 2 | A – 3 | 19 | 37E | 122 | |||
| 3 | H – 37 | 34 | 49W | 208 | |||
| 4 | B – 7 | 32 | 01W | 160 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.