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Hi Roger
I should have mentioned that in the example of Rigel and its companion, I focused using the much fainter companion and not on the saturated (blobby) primary.
I use a Moonlite motorised focuser and I found that I could press the focus motor movement keys inside and outside of (perfect) focus for a reasonable length of time before the saturated Rigel image changed in size.
However, by concentrating of the faint companion, exact focus was so much easier to find and was precise, requiring only very minute button presses between spot on and slightly out of focus.
I think the default exposure setting of the image in “Remote Live View” is automatic although I do believe you can over ride this to set your own exposure and display the histogram. By default, the histogram is OFF in Remote Live View.
Also, the histogram (when enabled) only displays during the un-zoomed, full FOV frame in Remote Live View, not in the zoomed in window that is showing Rigel in the example above.
Cheers
Dennis
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