Daily Sunspot Evaluation
Observation Sheet Sunday, 5 October 1969
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)
- 8
- Number of spots (f)
- 54
- Relative number (R)
- 134
- Observer
- AT
- Reading
- all checks consistent
- File
- 19691005.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 24 | 16 | 06E | 337 | |||
| 2 | B – 9 | 19 | 09E | 334 | |||
| 3 | H – 5 | 26 | 42E | 301 | |||
| 4 | H – 1 | -15 | 67E | 276 | |||
| 5 | G – 10 | -13 | 29W | 12 | |||
| 6 | A – 2 | -13 | 42W | 25 | |||
| 7 | ? – 1 | -12 | 77W | 60 | |||
| 8 | A – 2 | 14 | 60W | 43 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.