stardrift

stardrift

(ˈstɑːˌdrɪft)
n
the very small continuous change in the direction of movement which is shared by the stars within a particular cluster
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
For my tests, I aligned the mount using the stardrift method with the C90 telescope attached instead of a camera.
Pocono's equatorial camera mount
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