The StellarMate Plus Manual
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deviations from the guide star along with the correction pulses sent to the mount.
The RMS value for each axis is displayed along with the total RMS value in
arcsecs. The internal guider employs PID controller to correct the mount tracking.
Currently, the only the proportional and integral gains are utilized within the
algorithm, so adjusting it should affect the length of the generated pulses sent to
the mount in milliseconds.
To enable automatic dithering between frames, make sure to check
the Dither checkbox. By default, Ekos should dither (i.e. move) the guiding box by
up to 3 pixels after each frame captured in Ekos Capture Module. The motion
duration and direction are randomized. Since the guiding performance can
oscillate immediately after dithering, you can set the appropriate Settle duration
to wait after dither is complete before resuming the capture process. In rare
cases where the dithering process can get stuck in an endless loop, set the
appropriate Timeout to abort the process. But even if dithering fails, you can
select whether this failure should terminate the autoguiding process or not.
Toggle Abort Autoguide on failure to select the desired behavior.
Non-guide dithering is also supported. This is useful when no guide camera is
available or when performing short exposures. In this case, the mount can be
commanded to dither in a random direction for up to the pulse specified in
the Non-Guide Dither Pulse option.
Ekos supports multiple guiding methods: Internal, PHD2, and LinGuider. You need
to select the desired guider in your Ekos equipment profile:
· Internal Guider: Use Ekos internal guider. This is the default and recommended
option.
· PHD2: Use PHD2 as the external guider. If selected, specify the host and port
of the PHD2. Leave to default values if Ekos and PHD2 are running on the
same machine.
· LinGuider: Use LinGuider as the external guider. If selected, specify the host
and port of the LinGuider. Leave to default values if Ekos and LinGuider are
running on the same machine.
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