Daily Sunspot Evaluation
Observation Sheet Thursday, 14 September 1978
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)
- 7
- Number of spots (f)
- 36
- Relative number (R)
- 106
- Observer
- FY
- Reading
- all checks consistent
- File
- 19780914.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | H – 3 | 18 | 05E | 70 | 03E | ||
| 2 | D – 5 | 38 | 47E | 28 | 45E | ||
| 3 | D – 12 | 39 | 66E | 9 | 64E | ||
| 4 | G – 3 | 31 | 61E | 14 | 59E | ||
| 5 | B – 4 | 21 | 39E | 36 | 37E | ||
| 6 | ? – 5 | -26 | 66E | 9 | 64E | ||
| 7 | G – 4 | 31 | 26W | 101 | 28W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.