Daily Sunspot Evaluation
Observation Sheet Saturday, 30 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)
- 5
- Number of spots (f)
- 37
- Relative number (R)
- 87
- Observer
- LT
- Reading
- counts consistent, some coordinates doubtful
- File
- 19660730.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 1 | 35 | 7E | 204 | |||
| 2 | E – 21 | 25 | 34E | 180 | |||
| 3 | D – 12 | 27 | 58E | 156 | |||
| 4 | H – 2 | 22 | 4W | 258 ⚠ | |||
| 5 | J – 1 | 37 | 60W | 274 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.