Second night in the stars …
This morning I found the following Javascript “calculator” which displays the positions of the moons on any date and time between Jan. 1, 1900 and Dec. 31, 2100. That’s good enough for our needs right now, and it’s quite handy. It’s also the source of the illustrations I’ve been using: http://www.skyandtelescope.com/observing/objects/javascript/jupiter# 10:30pm For the second … Read more