Monday 16th of December 2013 | John Gauvreau
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Here is a picture that I just took tonight of Jupiter and its moons. The image was made with my Canon 60D at the prime focus of my 90mm refractor. Visually, there is much more detail visible on Jupiter through the scope, but this is just two frames (one exposure for Jupiter and another for the moons) at the prime focus of a 570mm focal length system. What I found most interesting is that you can see colour differences in the moons. Of course you can see the difference in brightness, but Io shows as a distinct yellow colour.
Jupiter 1/125 second ISO 100
moons 1/100 second ISO 800
