Satellite Spotting & Operations Handbook
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Every now and then satellites as well as aircraft and balloons can pass in front of the moon or the sun. This is known as a Transit. Low orbiting satellites can pass across the sun in 2 seconds, satellites thousands of miles up can take 1 minute or two. Sometimes a satellite seems to jump in a zig-zag fashion; they are not. The image just moves from one row of pixels on the CMOS chip to the next. They are not flying saucers!