Jun 122017
 

Jupiter’s moons have been putting on a show for us, this month.  There was a transit of Ganymede and Io, this past weekend, while Europa is shown slipping into occultation behind Jupiter.  A 4-frame animation of images taken through a near-IR filter, shown below, was taken on 11 June 2017 (2:04ut – 2:33ut).  Seeing was fair, but the surroundings were still cooling off after a hot day, and Jupiter was just above 40 degrees altitude in the sky.

Jun 052016
 
Mars!

I haven’t had many opportunities to image Mars this year, as it’s been very low in the sky and the weather here in the eastern U.S. has been very rainy and turbulent (typical of an El Nino year).  Here are two images taken recently, however.  The first shows the Elysium region and bright spot that […]