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Track Object

If the object you want to register moves over the image-space like you can see in the above example you will need to set the “track object” option. Track object will try to keep track of the object by using the information of the previous shift. If the object slightly moved to the left we expect it to be at least shifted to this position in the next frame also. If the object moves in a steady fashion this feature will keep track of the necessary alignment. But for steady moving or fast moving objects the “predict” track might also be helpfull, with this feature the program makes an expectation of the objects position based on the last shifts. If the object moves fast or in a random way over the image the user is adviced to user a larger FFTbox. 

Capturé par MemoWeb à partir de http://aberrator.astronomy.net/registax/html/tracking.html  le 23/08/02