Daily Sunspot Evaluation
Observation Sheet Wednesday, 21 June 1967
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)
- 6
- Number of spots (f)
- 26
- Relative number (R)
- 86
- Observer
- AE
- Reading
- all checks consistent
- File
- 19670621.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | 25 | 2°E | 260 | |||
| 2 | B – 7 | 21 | 21°E | 211 | |||
| 3 | G – 8 | 18 | 63°E | 169 | |||
| 4 | J – 2 | 11 | 33°E | 199 | |||
| 5 | C – 6 | 17 | 19°W | 251 | |||
| 6 | J – 1 | 21 | 5°W | 237 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.