Registrax interface screen with loaded video.
on. With an image like the Moon it is safe to let Registax
decide what the align point should be. This is done by
pressing the “Set Alignpoints” button. If align points are
selected in the dark area of the sky then just adjust the
“Lo” intensity
value and hit
“Set Alignpoints” again.
Align points
can also be
set manually,
which is best
if you are processing a video of a planet.
Once you
are happy
Alignment details during processing.
with the
alignment points hit the align button. This now examines every frame of the video and attempts to determine where each of the align points appear on each
frame and then register the offsets for later processing. At this point you can switch on the “Show Aligndata” option to provide a graphical overlay of the
movement of each point in the video. You can also
turn on the “Registrationgraph” which provides a two
dimensional analysis of the frames. This is now used to
set up the limits of the video for processing. I try to find
a point on the Registration Graph where all parts of the
green line are below the red quality line. This is done
by selecting “Best Frames %” and