line truncation of Cassini images
If you have ever looked at Cassini images of icy moons, either on the raw images website or at the Planetary Data System, you may have noticed images that look like they are being eaten by weird black sawtooth pattern. Some images have just a little bit of this sawtooth:Click to enlarge >Rhea with a little sawtooth truncationN00164532.jpg was taken on October 17, 2010. The camera was pointing toward RHEA at approximately 54,330 kilometers away, ….