Very cool, Tom. I witnessed about the last third of the transit visually, but did not detect Io itself, just its shadow. Ted Forte -----Original Message----- From: az-observing-bounce@xxxxxxxxxxxxx [mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Polakis Sent: Sunday, February 08, 2015 10:59 PM To: AZ-Observing@xxxxxxxxxxxxx Subject: [AZ-Observing] Transit of Io and Shadow With Earth so near the orbital plane of Io and Jupiter so near opposition, this is nearly as well aligned as a shadow and a satellite can get. This image was taken with a 15-inch Newtonian on a platform from my driveway in Tempe. http://www.pbase.com/polakis/image/159087212 ...and the three-frame time-lapse version that demonstrates how much the seeing can deteriorate in a mere 22 minutes. http://www.pbase.com/polakis/image/159087215 Tom -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list. -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.