#Backyardeos & backyard nikon full version Our members download database is updated on a daily basis. You will get a different value for different stars so the point here is not to compare FWHM reading with readings from other users and/or stars. Once you have located your star and placed it in the smaller zoom box in the lower right corner in BackyardEOS, the data of the star is analyzed, a bell curve is calculated, and it’s width at half its height is the FWHM feedback returned by BackyardEOS.
