Transit Times of Jupiter's Great Red Spot

Transit Times of Jupiter's Great Red Spot

            http://www.skyandtelescope.com/observing/objects/planets/3304091.html?page=1&c=y

            Here's one link on the Great Red Spot (GRS):  http://coolcosmos.ipac.caltech.edu/ask/91-What-is-the-Great-Red-Spot-on-Jupiter-

            There are many other internet links on this subject, too.