Daily Sunspot Evaluation
Observation Sheet Wednesday, 3 August 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)
- 47
- Relative number (R)
- 87
- Observer
- SB
- Reading
- all checks consistent
- File
- 19660803.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 21 | 25 | 1E | 160 | |||
| 2 | B – 14 | 19 | 31E | 130 | |||
| 3 | J – 1 | 33 | 42W | 205 | |||
| 4 | H – 11 | 24 | 17W | 178 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.