Daily Sunspot Evaluation
Observation Sheet Friday, 29 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)
- 5
- Number of spots (f)
- 13
- Relative number (R)
- 63
- Observer
- LT
- Reading
- all checks consistent
- File
- 19660429.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 7 | 30 | 12E | 339 | |||
| 2 | A – 2 | 29 | 23E | 328 | |||
| 3 | J – 1 | 22 | 58E | 293 | |||
| 4 | A – 1 | -23 | 15E | 336 | |||
| 5 | ? – 2 | 19 | 73W | 64 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.