Statistics
Statistics access⚓
By the menu Analysis/Statistics...
By right click in picture
Tipstatistics of an image area⚓
If you want to know the statistics of an image area, select it, then click Execute
TipSelected area⚓
when an area is selected, FWHM and roundness in pixels are displayed
Tip
r is the ratio of the FWHM in x and y.
If the value is 1, it means that we have a perfectly round star.