This really puzzled me for some time. Every time I tried to shoot Jupiter with the Orion G3 Starshoot, I would get a vertical white line out of the top and bottom of the planet in the image. I soon realized that the image was way overexposed and started playing with the offset and gain. But then, after much trial and error, I realized that the Starshoot G3 is a deep-space cam, not a planetary cam. Just like the box says, heh heh.
In this image, you are actually looking at Betelgeuse ... overexposed to show you the same effect I was getting with Jupiter.