Minor Planet Occultations
(156) Xanthippe on 29 October 2018
Minor Planet (156) Xanthippe approached the magnitude +11.9 star
UCAC4-409-131091 from the west and this 8' x 6' field shows a 20 second
drift scan exposure just as the asteroid's shadow passed over the
observatory, blocking out the starlight for nearly 6 seconds.
Screenshot of drift-scan measurement using Scanalyzer (see page by John
Broughton, Reedy Creek Observatory, Australia