Myank Singhal 应用

When taking images of the night sky a common requirement is toavoid or minimise star trails. The calculator provided here gives arule-of-thumb as to the maximum exposure time that should be usedin order to minimise the effect of star trails. It also providesthe user with accurate cloud coverage data for the next 48 hours tofind the perfect time to photograph the beauty of the cosmos. Canalso be used by Astronomers to set up their telescopes without thefear of clouds.