Daily Sunspot Evaluation
Observation Sheet Wednesday, 27 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)
- 24
- Relative number (R)
- 74
- Observer
- SB
- Reading
- all checks consistent
- File
- 19660727.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 23 | 8E | 246 | |||
| 2 | J – 1 | 33 | 44E | 210 | |||
| 3 | ? – 5 | 23 | 70E | 184 | |||
| 4 | G – 12 | 36 | 15W | 269 | |||
| 5 | H – 5 | 20 | 5W | 259 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.