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Image taken at dusk 3/16/2014 through increasing clouds. Two shadows transiting, Io on limb, Ganymede at 2 o'clock.

Next night, no clouds, average seeing.

The next night, first image with new filter wheel and filters.

Optics: GSO RC10 at f/16, l=4000mm
Camera: ZWO ASI120mm
Filters: Astronomik LRGB, Xagyl 5x1.25" filter wheel
Mount: Losmandy G11-G2 with Ovision Worm on RA
Location: North Attleboro, Massachusetts
Captured with FireCapture
Processed with Auto Stakkert, Registax6, Pixinsight, Photoshop CS6