Daily Sunspot Evaluation
Observation Sheet Saturday, 18 November 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)
- 43
- Relative number (R)
- 113
- Observer
- GT
- Reading
- all checks consistent
- File
- 19781118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | -16 | 51E | 247 | 45E | ||
| 2 | H – 3 | -26 | 60E | 238 | 58E | ||
| 3 | C – 11 | -22 | 36E | 262 | 34E | ||
| 4 | C – 9 | -19 | 33W | 331 | 35W | ||
| 5 | B – 4 | -19 | 46W | 344 | 48W | ||
| 6 | J – 4 | -23 | 68W | 6 | 70W | ||
| 7 | C – 10 | 22 | 52W | 350 | 54W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.